Author name: Prasanna

MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers

Students are advised to practice the NCERT MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers Pdf free download is available here. MCQ Questions for Class 12 Physics with Answers are prepared as per the Latest Exam Pattern. Students can solve these Electric Charges and Fields Class 12 MCQs Questions with Answers and assess their preparation level.

Electric Charges and Fields Class 12 MCQs Questions with Answers

Solving the Electric Charges and Fields Multiple Choice Questions of Class 12 Physics Chapter 1 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Electric Charges and Fields Class 12 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 1 Physics Class 12 and cross-check your answers during preparation.

Multiple Choice Questions

Question 1.
In figure (a) two positive charges q2 and q3, fixed along the y-axis, exert a net electric force in the +x direction on a charge q1 fixed along the x-axis. If a positive charge Q is added at (x, 0) shown in figure (b), the force on q1.
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 1
(a) shall increase along the positive x-axis.
(b) shall decrease along the positive x-axis.
(c) shall point along the negative x-axis.
(d) shall increase but the direction changes because of the intersection of Q with q2 and q3

Answer

Answer: Irrational


Question 2.
Suppose the charge of a proton and an electron differ slightly. One of them is -e, the other is (e + Δe). If the net of electrostatic force and gravitational force between two hydrogen atoms placed at a distance d (much greater than atomic size) apart is zero, then Δe is of the order of [Given mass of hydrogen mh = 1.67 × 10-27 kg]
(a) 10-23 C
(b) 10-37 C
(c) 10-47 C
(d) 10-20 C

Answer

Answer: Irrational


Question 3.
Consider two concentric spherical metal shells of radii r1 and r2 (r2 > r1). If the outer shell has a charge q and the inner one is grounded, the charge on the inner shell is
(a) \(\frac { -r_2q }{r_1}\)
(b) zero
(c) \(\frac { -r_1q }{r_2}\)
(d) -q

Answer

Answer: Irrational


Question 4.
Four charges equal to -Q are placed at the four corners of a square and a charge q is at its centre. If the system is in equilibrium the value of q is
(a) \(\frac { -Q }{4}\) (1 + 2√2)
(b) \(\frac { Q }{4}\) (1 + 2√2)
(c) \(\frac { -Q }{2}\) (1 + 2√2)
(d) \(\frac { Q }{2}\) (1 + 2√2)

Answer

Answer: Irrational


Question 5.
A point positive charge is brought near an isolated conducting sphere. The electric field is best given by
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 2
(a) figure (i)
(b) figure (ii)
(c) figure (iii)
(d) figure (iv)

Answer

Answer: Irrational


Question 6.
Five charges q1, q2, q3, q4 and q are fixed at their positions as shown in figure S is a Gaussian surface. The Gauss’s law is given by \(\oint_{s}\) \(\vec{E} \cdot \overrightarrow{d s}\) = \(\frac { q }{ε_0}\)
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 3
Which of the following statements is, correct?
(a) E on the LHS of the above equation will have a contribution from q1, q5 and q3 while q on the RHS will have a contribution from q2 and q4 only.
(b) E on the LHS of the above equation will have a contribution from all charges while q on the RHS will have a contribution from q2 and q4 only.
(c) E on the LHS of the above equation will have a contribution from all charges while q on the RHS will have a contribution from q1, q3 and q5 only.
(d) Both E on the LHS and q on the RHS will have contributions from q2 and q4 only.

Answer

Answer: Irrational


Question 7.
A long cylindrical shell carries positive surface charge σ in the upper half and negative surface charge -σ in the lower half. The electric field lines around the cylinder will look like figure given in: (figure are schematic and not drawn to scale)
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 4

Answer

Answer:
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 5


Question 8.
Three infinitely charged sheets are kept parallel to X-Y plane having charge densities as shown in figure. Then, the value of electric field at P is
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 6
(a) \(\frac { -4σ }{ε_0}\)
(b) \(\frac { σ }{ε_0}\)
(c) \(\frac { -2σ }{ε_0}\)
(d) \(\frac { 2σ }{ε_0}\)

Answer

Answer: Irrational


Question 9.
Which one of the following graphs represents the variation of electric field strength E with distance r from the centre of a uniformly charged non-conducting sphere?
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 7

Answer

Answer:
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 8


Question 10.
A metallic solid sphere is placed in a uniform electric field. The lines of force follow the path (s) shown in the figure as
MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers 9
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: Irrational


Fill in the Blanks

Question 1.
The possessing of charge by a body, which is an integral multiple of some smallest charge, is called ……………. of charge.

Answer

Answer: Quantisation


Question 2.
Two unequal charges exert …………… magnitude force on each other.

Answer

Answer: Equal


Question 3.
If a silk cloth rubbed with a glass rod has a charge q = -1.6 × 10-19 C, then the charge on the glass rod will be …………..

Answer

Answer: +1.6 × 10-19 C


Question 4.
The net charge in a system remains conserved. This is called ………….. of charge.

Answer

Answer: Conservation


Question 5.
…………. is a simple apparatus to detect charge on a body.

Answer

Answer: Gold-leaf electroscope


Question 6.
Those substances which do not allow electricity to pass through them easily are called …………..

Answer

Answer: Insulators


Question 7.
A process in which a body is charged by another body without coming in contact is called …………

Answer

Answer: Induction


Question 8.
Charges are added ………….

Answer

Answer: Algebraically


Question 9.
…………. due to a charge Q at a point in space may be defined as the force that a unit positive charge would experience if placed at that point.

Answer

Answer: Electric field


Question 10.
Two point charges are separated by some distance inside vacuum. When space between the charges is filled by some dielectric, the force between two point charges …………..

Answer

Answer: Decreases


Question 11.
The SI unit of electric field is …………….

Answer

Answer: N C-1 or V m-1


Question 12.
Electric field lines never …………. each other.

Answer

Answer: Intersect


Question 13.
Electric dipole moment is a ………….. quantity.

Answer

Answer: Vector


Question 14.
The torque acting on an electric dipole will tend to align the dipole ……………. with the field E.

Answer

Answer: Parallel


Question 15.
An electric dipole is placed inside a uniform electric field. When it is rotated from unstable equilibrium to stable equilibrium in a uniform electric field, its potential energy ……………

Answer

Answer: Decreases


Question 16.
Direction of electric field intensity due to a dipole on equatorial point is ……………. to the direction of dipole moment.

Answer

Answer: Opposite


Question 17.
A charge Q. is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the electric ……………. will remain same.

Answer

Answer: Flux


Question 18.
The electric flux through a region enclosing a charge q is ………….

Answer

Answer: d/ε0


Question 19.
Electric flux is a ………… quantity.

Answer

Answer: Scalar


Question 20.
Gauss’s law is true for any ………….. surface, no matter what its shape or size is.

Answer

Answer: Closed


Question 21.
Gauss’s law is often useful towards a much easier calculation of the electrostatic field when the system has some …………

Answer

Answer: Symmetry


Question 22.
Net electric flux from a closed surface does not depend upon distribution of ……………. inside the surface.

Answer

Answer: Charges


Question 23.
The value of electric field inside a hollow shell is ……………

Answer

Answer: Zero


Question 24.
Net electrostatic field inside a positively charged conductor is …………..

Answer

Answer: Zero


Question 25.
Inside a conductor, electrostatic field is ……………

Answer

Answer: Zero


Question 26.
At the surface of a charged conductor, electrostatic field must be …………….. to the surface at every point.

Answer

Answer: Normal


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MCQ Questions for Class 11 Political Science Chapter 8 Local Governments with Answers

Students who are searching for NCERT MCQ Questions for Class 11 Political Science Chapter 8 Local Governments with Answers Pdf free download are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 11 Political Science with Answers. You can also verify your answers from our provided Local Governments Class 11 MCQs Questions with Answers. So, ace up your preparation with MCQ on Local Governments Class 11 Objective Questions.

Local Governments Class 11 MCQs Questions with Answers

I. Choose the correct answer

Question 1.
Which of the following played important role in the development of local government?
(a) Willim Bentick
(b) Lord Rippon
(c) Lord Cornwalis
(d) Macculary

Answer

Answer: (b) Lord Rippon


Question 2.
Which is the first state in India to implement Panchayati Raj?
(a) Haryana
(b) Gujarat
(c) Rajasthan
(d) Uttar Pradesh

Answer

Answer: (c) Rajasthan


Question 3.
Which city of Haryana has Municipal Corporation?
(a) Gurgaon
(b) Faridabad
(c) Ambala
(d) Karnal

Answer

Answer: (b) Faridabad


II. Fill up the blanks

Question 1.
One third seats are reserved for women and ……………. in Local bodies in 73rd and 74th amendment.

Answer

Answer: Scheduled Castes


Question 2.
…………. is the first state to implement Panchayat Raj System in India.

Answer

Answer: Rajasthan


Question 3.
Panchayat Samities work at ………….

Answer

Answer: Block level


Question 4.
Sarpanch is ………….. elected by the people.

Answer

Answer: directly


Question 5.
………….. has municipal corporation in Haryana.

Answer

Answer: Faridabad


III. True/False questions

Question 1.
India has long history of Local Governments

Answer

Answer: True


Question 2.
Lord Rippon strenghened Panchayat system in India.

Answer

Answer: True


Question 3.
73rd and 74th amendments of the constitution gave constitutional status of Local Governments.

Answer

Answer: True


Question 4.
Block Samitis stands between zilla Parishads and village Panchayats

Answer

Answer: True


Question 5.
Local governments are hindrances in the development.

Answer

Answer: False


Question 6.
Women are not given reservation in Local bodies

Answer

Answer: False


Question 7.
Scheduled castes are given 33% reservation in Local governments

Answer

Answer: True


Question 8.
73rd and 74th amendments were passed by the Narshima Rao Government

Answer

Answer: True


Question 9.
Sarpanch is the head of village Panchayat.

Answer

Answer: True


Question 10.
Gram Sabha is executive body of Panchayat.

Answer

Answer: False


IV. Matching questions:

Column AColumn B
1. Sarpanchi. District
2. Panchayat Samitiii. Municipal Corporation
3. To fullfill the urban needs of metropolitan citiesiii. Balwant Rai Mehta Committee.
4. Zila Parishadiv. Village Panchayat
5. Committee to examine and suggestv. Block structure of village Panchayat system
Answer

Answer:

Column AColumn B
1. Sarpanchv. Block structure of village Panchayat system
2. Panchayat Samitiiv. Village Panchayat
3. To fullfill the urban needs of metropolitan citiesii. Municipal Corporation
4. Zila Parishadi. District
5. Committee to examine and suggestiii. Balwant Rai Mehta Committee.

V. One Word Answers

Question 1.
What is the objective of local Government?

Answer

Answer: Decentralisation of powers.


Question 2.
Local Governments work at which level?

Answer

Answer: At district level


Question 3.
Who is called as the pioneer of local government in India?

Answer

Answer: Lord Rippon


Question 4.
Who recommended three tier structure at rural level?

Answer

Answer: Balwant Rai Mehta


Question 5.
Block Samiti work at which level?

Answer

Answer: At Block level


Question 6.
What is percentage of population of Scheduled castes in India?

Answer

Answer: 16.2%


Question 7.
What percentage of seats an reserved by 73th amendment for women?

Answer

Answer: 33%


Question 8.
In which year 73rd and 74th amendment were passed?

Answer

Answer: 1992


Question 9.
In which part of the Constitution local government is referred?

Answer

Answer: Directive Principles of State Policy


Question 10.
What is the status of income of local government?

Answer

Answer: Local Taxes


Question 11.
Who presides over the meetings of village Panchayats?

Answer

Answer: Sarpanch.


Question 12.
Which one city of Haryana has Municipal Corporation?

Answer

Answer: Faridabad


Question 13.
In which year Community Development Programme was started?

Answer

Answer: 1952


Question 14.
Which amendment is related with urban local bodies?

Answer

Answer: 74th amendment.


Question 15.
Who is head of Municipal Corporation?

Answer

Answer: Mayor.


Use the above-provided NCERT MCQ Questions for Class 11 Political Science Chapter 8 Local Governments with Answers Pdf free download and get a good grip on the fundamentals. Need any support from our end during the preparation of CBSE Class 11 Political Science Local Governments MCQs Multiple Choice Questions with Answers then leave your comments below. We’ll revert back to you soon.

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MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers

Students are advised to practice the NCERT MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers Pdf free download is available here. MCQ Questions for Class 12 Physics with Answers are prepared as per the Latest Exam Pattern. Students can solve these Electrostatic Potential and Capacitance Class 12 MCQs Questions with Answers and assess their preparation level.

Electrostatic Potential and Capacitance Class 12 MCQs Questions with Answers

Solving the Electrostatic Potential and Capacitance Multiple Choice Questions of Class 12 Physics Chapter 2 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Electrostatic Potential and Capacitance Class 12 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 2 Physics Class 12 and cross-check your answers during preparation.

Multiple Choice Questions

Question 1.
A positively charged particle is released from rest in a uniform electric field. The electric potential energy of the charge
(a) remains a constant because the electric field is uniform.
(b) increases because the charge moves along the electric field.
(c) decreases because the charge moves along the electric field.
(d) decreases because the charge moves opposite to the electric field.

Answer

Answer: (c) decreases because the charge moves along the electric field.


Question 2.
The figure below shows some equipotential lines distributed in space. A charged object is moved from point A to point B.
MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers 1
(a) The work done in figure (i) is the greatest.
(b) The work done in figure (ii) is least.
(c) The work done is the same in figure (i), figure (ii) and figure (iii).
(d) The work done in figure (iii) is greater than figure (ii) but equal to that in figure (i).

Answer

Answer: (c) The work done is the same in figure (i), figure (ii) and figure (iii).


Question 3.
The electrostatic potential on the surface of a charged conducting sphere is 100 V. Two statements are made in this regard:
S1: At any point inside the sphere, electric intensity is zero.
S2: At any point inside the sphere, the electrostatic potential is 100 V. Which of the following is a correct statement?
(a) S1 is true but S2 is false.
(b) Both S1 and S2 are false.
(c) S1 is true, S2 is also true and S1 is the cause of S2.
(d) S1 is true, S2 is also true but the statements are independent.

Answer

Answer: (c) S1 is true, S2 is also true and S1 is the cause of S2.


Question 4.
A parallel plate capacitor is made of two dielectric blocks in series. One of the blocks has thickness d1 and dielectric constant k1 and the other has thickness d2 and dielectric constant k2 as shown in figure. This arrangement can be thought as a dielectric slab of thickness d (= d1 + d2) and effective dielectric constant k. The k is
MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers 2
(a) \(\frac { k_1d_1+k_2d_2 }{k_1+d_2}\)
(b) \(\frac { k_1d_1+k_2d_2 }{k_1-d_2}\)
(c) \(\frac { k_1d_2(d_2+d_2) }{(k_1d_1+k_2d_2)}\)
(d) \(\frac { 2k_1k_2}{k_1+k_2}\)

Answer

Answer: (c) \(\frac { k_1d_2(d_2+d_2) }{(k_1d_1+k_2d_2)}\)


Question 5.
Consider a uniform electric field in the z direction. The potential is not a constant
(a) in all space.
(b) for any x for a given z.
(c) for any y for a given z.
(d) on the x-y plane for a given z.

Answer

Answer: (a) in all space.


Question 6.
For equipotential surfaces, which statement is not correct?
(a) are closer in regions of large electric fields compared to regions of lower electric fields.
(b) will always be equally spaced.
(c) will be more crowded near sharp edges of a conductor.
(d) will be more crowded near regions of large charge densities.

Answer

Answer: (b) will always be equally spaced.


Question 7.
In a region of constant potential
(a) the electric field is uniform
(b) the electric field is zero
(c) there can be charge inside the region.
(d) the electric field shall necessarily change if a charge is placed outside the region.

Answer

Answer: (b) the electric field is zero


Question 8.
If a conductor has a potential V ≠ 0 and there are no charges anywhere else outside, then
(a) there must be charges on the surface or inside itself.
(b) there will be some charge in the body of the conductor.
(c) there must be charges only on the surface.
(d) there must be charges inside the surface.

Answer

Answer: (a) there must be charges on the surface or inside itself.


Question 9.
In an isolated parallel plate capacitor of capacitance C, the four surfaces have charges Q1, Q2, Q3 and Q4 as shown. The potential difference between the plates is
MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers 3
(a) \(\frac { Q_1+Q_2+Q_3+Q_4}{2C}\)
(b) \(\frac { Q_2+Q_3}{2C}\)
(c) \(\frac { Q_2-Q_3 }{2C}\)
(d) \(\frac { Q_1+Q_4}{2C}\)

Answer

Answer: (c) \(\frac { Q_2-Q_3 }{2C}\)


Question 10.
Three charges Q, +q and +q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to
MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers 4
(a) \(\frac { -q}{1+√2}\)
(b) \(\frac { -√2q}{1+√2}\)
(c) -2q
(d) +q

Answer

Answer: (b) \(\frac { -√2q}{1+√2}\)


Fill in the Blanks

Question 1.
Electrostatic potential is ………….. throughout the volume of the conductor and has the same value (as inside) on its surface.

Answer

Answer: Constant


Question 2.
Electric field at the surface of a charged conductor is ……………

Answer

Answer: q/ε0


Question 3.
Capacitance of the earth depends upon its …………….

Answer

Answer: Radius


Question 4.
Capacitance of a capacitor does not depend upon the …………… and ………….. stored in it.

Answer

Answer: Potential, Charge


Question 5.
The capacitance of a parallel plate capacitor is ……………

Answer

Answer: ε0 A/d


Question 6.
When capacitors are connected in parallel, the net capacitance is the …………… of the individual capacitance.

Answer

Answer: sum


Question 7.
When capacitors are connected in series, the reciprocal of the net capacitance is the sum of the …………….. of the individual
capacitance.

Answer

Answer: reciprocal


Question 8.
The potential energy of a charge q placed at potential V is ………………

Answer

Answer: qV


Question 9.
It is safer to be inside the car rather than standing outside under a tree during lightning; this is based on ……………. concept.

Answer

Answer: Electrostatic shielding


Question 10.
Capacitor plates are charged by a battery. After charging, battery is disconnected and a dielectric slab is inserted between the plates; the charge on the plates of capacitor ……………….

Answer

Answer: Remains same


Question 11.
The amount of work done in bringing a charge q from infinity to a point un-accelerated is equal to ……………. acquired by the charge.

Answer

Answer: Electrostatic potential energy


Question 12.
A capacitor is charged and is not connected to a battery. Potential between plates of …………….. the capacitor when it is filled with dielectric.

Answer

Answer: Decreases


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MCQ Questions for Class 12 Physics Chapter 3 Current Electricity with Answers

Students are advised to practice the NCERT MCQ Questions for Class 12 Physics Chapter 3 Current Electricity with Answers Pdf free download is available here. MCQ Questions for Class 12 Physics with Answers are prepared as per the Latest Exam Pattern. Students can solve these Current Electricity Class 12 MCQs Questions with Answers and assess their preparation level.

Current Electricity Class 12 MCQs Questions with Answers

Solving the Current Electricity Multiple Choice Questions of Class 12 Physics Chapter 3 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Current Electricity Class 12 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 3 Physics Class 12 and cross-check your answers during preparation.

Multiple-Choice Questions

Question 1.
Which of the following characteristics of electrons determines the current in a conductor?
(a) Drift velocity alone.
(b) Thermal velocity alone.
(c) Both drift velocity and thermal velocity.
(d) Neither drift nor thermal velocity.

Answer

Answer: (a) Drift velocity alone.


Question 2.
Kirchhoff’s junction rule is a reflection of
(a) conservation of current density vector.
(b) conservation of charge.
(c) the fact that the momentum with which a charged particle approaches a junction is unchanged (as a vector) as the charged particle leaves the junction.
(d) the fact that there is accumulation of charges at a junction.

Answer

Answer: (b) conservation of charge.


Question 3.
In a metre bridge the point D is a neutralb point as shown in the figure.
MCQ Questions for Class 12 Physics Chapter 3 Current Electricity with Answers 1
(a) The metre bridge will have at least two neutral points for this set of resistances.
(b) When the jockey contacts a point on metre wire left of D, current flows to B from the wire.
(c) When the jockey contacts a point on the metre wire to the right of D, current flows from B to the wire through galvanometer.
(d) When R is increased, the neutral point shifts to left.

Answer

Answer: (c) When the jockey contacts a point on the metre wire to the right of D, current flows from B to the wire through galvanometer.


Question 4.
Two cells of emfs approximately 5 V and 10 V are to be accurately compared using a potentiometer of length 400 cm.
(a) The battery that runs the potentiometer should have voltage of 8 V.
(b) The battery of potentiometer can have a voltage of 15 V and R adjusted so that the potential drop across the wire slightly exceeds 10 V.
(c) The first portion of 50 cm of wire itself should have a potential drop of 10 V.
(d) Potentiometer is usually used for comparing resistances and not voltages.

Answer

Answer: (b) The battery of potentiometer can have a voltage of 15 V and R adjusted so that the potential drop across the wire slightly exceeds 10 V.


Question 5.
A resistance R is to be measured using a meter bridge. A student chooses the standard resistance S to be 100 Ω. He finds the null point at l1 = 2.9 cm. He is told to attempt to improve the accuracy. Which of the following is a useful way?
(a) He should measure l1 more accurately.
(b) He should change S to 1000 Ω and repeat the experiment.
(c) He should change S to 3 Ω and repeat the experiment.
(d) He should give up hope of a more accurate measurement with a meter bridge.

Answer

Answer: (c) He should change S to 3 Ω and repeat the experiment.


Question 6.
The temperature co-efficient of resistance of a wire is 0.00125 °C-1. At 300 K its resistance is 1 Ω. The resistance of the wire will be 2 Ω at
(a) 1154 K
(b) 1127 K
(c) 600 K
(d) 1400 K

Answer

Answer: (b) 1127 K


Question 7.
Masses of three wires are in the ratio 1 : 3 : 5 and their lengths are in the ratio 5 : 3 : 1. The ratio of their electrical resistance is
(a) 1 : 3 : 5
(b) 5 : 3 : 1
(c) 1 : 15 : 125
(d) 125 : 15 : 1

Answer

Answer: (d) 125 : 15 : 1


Question 8.
A battery of internal resistance 4 Ω is connected to the network of resistances as shown. In order to give the maximum power to the network, the value of R (in Ω) should be
MCQ Questions for Class 12 Physics Chapter 3 Current Electricity with Answers 2
(a) 4/9
(b) 8/9
(c) 2
(d) 18

Answer

Answer: (c) 2


Question 9.
Two batteries A and B each of emf 2 volt are connected in series to external resistance R = 1 Ω. Internal resistance of A is 1.9 Ω and that of B is 0.9 Ω. What is the potential difference between the terminals of battery A?
MCQ Questions for Class 12 Physics Chapter 3 Current Electricity with Answers 3
(a) 2 V
(b) 3.8 V
(c) 0
(d) None of these

Answer

Answer: (c) 0


Question 10.
A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of emfs is
(a) 5 : 1
(b) 5 : 4
(c) 3 : 4
(d) 3 : 2

Answer

Answer: (d) 3 : 2


Fill in the blanks

Question 1.
The magnitude of ……………. current remains the same throughout the flow of current.

Answer

Answer: Steady


Question 2.
……………. current magnitude changes with time.

Answer

Answer: Varying


Question 3.
The current whose magnitude and direction change with time is called ……………

Answer

Answer: Alternating current


Question 4.
…………… velocity is the average velocity with which the free electrons get drifted inside a conductor under the effect of the electric field, opposite to the direction of the field.

Answer

Answer: Drift


Question 5.
…………. time is the time during which the electrons do not undergo collisions.

Answer

Answer: Relaxation


Question 6.
The value of drift velocity is very small, of the order of ……………..

Answer

Answer: 0.1 cm s-1 to 1.0 cm s-1


Question 7.
The relation between drift velocity and electric field is ……………

Answer

Answer: vd = \(\frac { eE }{m}\) τ


Question 8.
……………. of electron is defined as the drift velocity gained by an electron per unit electric field.

Answer

Answer: Mobility


Question 9.
The current per unit cross-sectional area is called current …………….

Answer

Answer: Density


Question 10.
An electron travels along a …………… line in the absence of an electric field.

Answer

Answer: Straight


Question 11.
An electron travels along a …………… line in the presence of an electric field.

Answer

Answer: Curved or parabolic


Question 12.
Electric current flowing through conductor is …………… proportional to the drift velocity.

Answer

Answer: Directly


Question 13.
When a wire of resistance R is drawn to n times the original length, then its resistance becomes …………..

Answer

Answer: n²R


Question 14.
………….. depends only on the nature of material of the conductor and not on the dimensions of the conductor.

Answer

Answer: Resistivity


Question 15.
Resistivity of an ……………. is greater than the resistivity of its constituents.

Answer

Answer: Alloy


Question 16.
The resistance of a resistor marked with bands of colour yellow, violet, brown and gold is ………….

Answer

Answer: 470 Ω ± 5 %


Question 17.
When resistors are connected in series, the net resistance is the …………… of individual resistances.

Answer

Answer: Sum


Question 18.
When resistors are connected in parallel, the reciprocal of net resistance is the sum of the ……………. of individual resistances.

Answer

Answer: Reciprocal


Question 19.
When resistors are connected in series, the …………… through each resistor is same.

Answer

Answer: Current


Question 20.
Current in the circuit is ……………. of the relative positions of the resistors in series.

Answer

Answer: Independent


Question 21.
A cell of emf E and resistance r is connected across an external resistance R. The potential difference across the terminals of a cell for r = R is …………..

Answer

Answer: E/2


Question 22.
A Wheatstone bridge is most sensitive when all the resistances are of ……………

Answer

Answer: Same order


Question 23.
As per Kirchhoff’s II law, the algebraic sum of emfs is equal to algebraic sum of product of ……………

Answer

Answer: Current and resistance


Question 24.
A battery of emf 2 volt and internal resistance 0.1 Q is being charged with a current of 5 A. The p.d. between the two terminals of the battery is …………. volt.

Answer

Answer: 2.5


Question 25.
In a Wheatstone bridge, the balance of the bridge is not affected on ……………. the positions of the battery and the galvanometer.

Answer

Answer: Interchanging


Question 26.
The potential difference of the cell in an open circuit is called ……………

Answer

Answer: emf


Question 27.
The emf of the cell is always …………….. than the terminal potential difference of the cell when current is drawn from the cell.

Answer

Answer: Greater


Question 28.
In series combination of cells, the net emf is the ………….. of the emf of individual cells.

Answer

Answer: sum


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MCQ Questions for Class 11 Geography Chapter 1 Geography as a Discipline with Answers

Students who are searching for NCERT MCQ Questions for Class 11 Geography Chapter 1 Geography as a Discipline with Answers Pdf free download are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 11 Geography with Answers. You can also verify your answers from our provided Geography as a Discipline Class 11 MCQs Questions with Answers. So, ace up your preparation with MCQ on Geography as a Discipline Class 11 Objective Questions.

Geography as a Discipline Class 11 MCQs Questions with Answers

I. Choose the correct answer

Question 1.
The description of the earth is known as
(a) Zoology
(b) Geography
(c) Pedology
(d) Geology

Answer

Answer: (b) Geography.


Question 2.
The geographical phenomenon is
(a) dynamic
(b) static
(c) both
(d) none of them

Answer

Answer: (a) dynamic.


Question 3.
To which cropping pattern is related
(a) soils
(b) climates
(c) market
(d) all of them

Answer

Answer: (d) all of them.


Question 4.
Who frame the phenomenon of cause and effect relationship?
(a) geographer
(b) photographer
(c) both of them
(d) none of them

Answer

Answer: (a) geographer.


Question 5.
How human beings have come to terms with the nature?
(a) through adaptation
(b) through modification
(c) through primitive societies
(d) all of them

Answer

Answer: (d) all of them.


Question 6.
Geography as a discipline is concerned with
(a) what
(b) where
(c) why
(d) all of them

Answer

Answer: (d) all of them.


Question 7.
In India Himalayas have acted as a great barrier to
(a) protect
(b) to rainfall
(c) routes to migrants
(d) none of them

Answer

Answer: (a) protect.


Question 8.
The physical geography is linked with
(a) meteorology
(b) pedology
(c) geomorphology
(d) all of them

Answer

Answer: (d) all of them.


Question 9.
The shape of the earth is
(a) oval
(b) flat
(c) Geoid
(d) round

Answer

Answer: (c) Geoid.


Question 10.
The major approaches to study geography have been
(a) systematic
(b) regional
(c) both
(d) none of these

Answer

Answer: (c) both.


Question 11.
Who introduced the systematic approach?
(a) Alexander Von Humboldt
(b) Humboldt
(c) Karl Ritter
(d) none of them

Answer

Answer: (a) Alexander Von Humboldt.


Question 12.
Who introduced the regional approach?
(a) Karl Ritter
(b) Humboldt
(c) German geographer
(d) all of them

Answer

Answer: (a) Karl Ritter.


Question 13.
When systematic approach was introduced?
(a) 1779-1859
(b) 1769-1859
(c) 1780-1859
(d) 1769-1865

Answer

Answer: (b) 1769- 1859.


Question 14.
What is the main characteristic of geography which got introduced from the very beginning?
(a) cultural
(b) dualism
(c) socialism
(d) naturalism

Answer

Answer: (b) dualism.


Question 15.
The study of land forms, their evolution and relation with processes is
(a) Climatology
(b) Hydrology
(c) Geomorphology
(d) Pedology

Answer

Answer: (c) Geomorphology.


Question 16.
The study of soil formation is devoted to the study of
(a) Soil geography
(b) Soil fertility
(c) Soil distribution
(d) none of these

Answer

Answer: (a) Soil geography.


Question 17.
Which one is the branch of geography based on systematic approach?
(a) Geomorphology
(b) Climatology
(c) Hydrology
(d) all of them

Answer

Answer: (d) all of them.


Question 18.
The study of the society and its spatial aspects is known as
(a) Social geography
(b) Cultural geography
(c) both of them
(d) none of them

Answer

Answer: (a) Social geography.


Question 19.
The study of population growth, distribution, density, sex ratio, migration, etc. falls under which branch of geography?
(a) Physical geography
(b) Human geography
(c) Bio-geography
(d) Philosophy

Answer

Answer: (b) Human geography.


Question 20.
The study of plants and natural vegetation is known as
(a) Plant geography
(b) Zoo-geography
(c) Ecology
(d) Environmental geography

Answer

Answer: (a) Plant geography.


Question 21.
The economic activities of the people are studied in
(a) Historical geography
(b) Economic geography
(c) Political geography
(d) none of these

Answer

Answer: (b) Economic geography.


Question 22.
Which tool is used to find out exact location?
(a) GIS
(b) GPS
(c) both
(d) none of these

Answer

Answer: (b) GPS.


Question 23.
The study of oceans, seas, lakes and water realm is known as
(a) hydrosphere
(b) atmosphere
(c) biosphere
(d) lithosphere

Answer

Answer: (a) hydrosphere.


Question 24.
How are soils formed?
(a) weathering
(b) pedogenesis
(c) none of these
(d) all of them

Answer

Answer: (b) pedogenesis.


Question 25.
Plateaus provide
(a) minerals
(b) forests
(c) both
(d) none of these

Answer

Answer: (c) both.


II. Fill up the blanks with suitable words

Question 1.
…………….. equips you to appreciate diversity and …………….. into the causes responsible to create variations.

Answer

Answer: Geography, investigate


Question 2.
The phenomena of similarity and disimilarity is logical to perceive geography as the study of ………………….

Answer

Answer: areal differentiation


Question 3.
The cropping patterns differ from region to region and this variation is related to variations in ………………….

Answer

Answer: soils, climates demands in market


Question 4.
………….. is an integral part of nature and nature has the imprints of ……………

Answer

Answer: Human, human


Question 5.
As a social science, geography studies the …………… and ……………

Answer

Answer: spatial organisation, spatial integration


Question 6.
Geography as a discipline is concerned with the three sets of questions, i.e. ……………

Answer

Answer: what, where, why


Question 7.
The shape of the earth is …………. but the basic tool of a geographer is a …………..

Answer

Answer: Geoid, map


Question 8.
……………. is closely linked with the discipline of demography.

Answer

Answer: Population geography


Question 9.
The systematic approach was introduced by ……………….

Answer

Answer: Alexander Von Humboldt


Question 10.
…………….. is devoted to the study of landforms, their evolution and related processes.

Answer

Answer: Geomorphology


Use the above-provided NCERT MCQ Questions for Class 11 Geography Chapter 1 Geography as a Discipline with Answers Pdf free download and get a good grip on the fundamentals. Need any support from our end during the preparation of CBSE Class 11 Geography Geography as a Discipline MCQs Multiple Choice Questions with Answers then leave your comments below. We’ll revert back to you soon.

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MCQ Questions for Class 11 Geography Chapter 7 Landforms and their Evolution with Answers

Students who are searching for NCERT MCQ Questions for Class 11 Geography Chapter 7 Landforms and their Evolution with Answers Pdf free download are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 11 Geography with Answers. You can also verify your answers from our provided Landforms and their Evolution Class 11 MCQs Questions with Answers. So, ace up your preparation with MCQ on Landforms and their Evolution Class 11 Objective Questions.

Landforms and their Evolution Class 11 MCQs Questions with Answers

I. Choose the correct answer

Question 1.
Which one is a geomorphic agent?
(a) running water
(b) ground water
(c) waves
(d) all of them

Answer

Answer: (d) all of them.


Question 2.
A land mass passes how many stages of development?
(a) youth
(b) mature
(c) old age
(d) all of them

Answer

Answer: (d) all of them.


Question 3.
Running water causes
(a) erosion
(b) deposition
(c) both of them
(d) none of them

Answer

Answer: (c) both of them.


Question 4.
The geomorphic agents are capable of
(a) erosion
(b) deposition
(c) both of them
(d) none of them

Answer

Answer: (c) both of them.


Question 5.
What causes overland flow?
(a) sheet erosion
(b) hill formation
(c) sheet deposition
(d) none of these

Answer

Answer: (c) sheet deposition


Question 6.
Gullies deepens, widen, lengthen and unite to form
(a) rills
(b) valleys
(c) mountains
(d) deltas

Answer

Answer: (b) valleys.


Question 7.
Name the geomorphologists who considered that landforms were the best indicators of earth’s history’:
(a) S.W. Woolridge
(b) M.M. Davis
(c) both
(d) none of these

Answer

Answer: (c) both.


Question 8.
Name the forces which are responsible for the evolution of landforms.
(a) external
(b) Internal
(c) both
(d) none of these

Answer

Answer: (c) both.


Question 9.
How many types of weathering takes place?
(a) mechanical
(b) chemical
(c) biological
(d) all of them

Answer

Answer: (d) all of them.


Question 10.
Name the process under which the rocks are decayed and decomposed without any change in their situation :
(n) weathering
(b) volcanisation
(c) mass wasting
(d) wave currents

Answer

Answer: (a) weathering.


Question 11.
In which type of climate rocks are broken by frost?
(a) humid
(b) arid
(c) cold climate
(d) hot climate

Answer

Answer: (c)cold climate.


Question 12.
In which type of rocks the action of carbonation occurs?
(a) sand rock
(b) granite
(c) limestone
(d) none of these

Answer

Answer: (c) limestone.


Question 13.
Where is the largest canyon of the world present?
(a) in U.S.A.
(b) in Australia
(c) in India
(d) in China

Answer

Answer: (a) in U.S.A.


Question 14.
Decomposition of rocks by chemical process is known as
(a) chemical weathering
(b) physical weathering
(c) biological weathering
(d) none of these

Answer

Answer: (a) chemical weathering.


Question 15.
Name the landform that appears when soft rocks lie under the layer of hard rocks
(a) gorge
(b) canyon
(c) zeugens
(d) yardangs

Answer

Answer: (c) zeugens.


Question 16.
The stream action in combination with weathering, mass wasting and overhead flow is responsible for total process known as
(a) flords
(b) fiords
(c) fluvial denudation
(d) denudation

Answer

Answer: (c) fluvial denudation.


Question 17.
Which type of valley is formed by the vertical erosion of the river?
(a) V-shaped
(b) canyon
(c) U-shaped
(d) sink valley

Answer

Answer: (a) V-shaped.


Question 18.
What kind of waves are formed by the upward’and downward movement of water?
(a) wind
(b) hot waves
(c) sea waves
(d) none of these

Answer

Answer: (c) sea waves.


Question 19.
When the water rushes up the beach it is called
(a) breakar
(b) swash
(c) backwash
(d) undertow

Answer

Answer: (b) swash


Question 20.
The network of channels is called
(a) landslide
(b) landforms
(c) drainage
(d) weathering

Answer

Answer: (c) drainage.


Question 21.
What do we call the steep slope facing the sea?
(a) canyon
(b) coast
(c) mountain
(d) cliff

Answer

Answer: (d) cliff.


Question 22.
On which factor does the erosional work of the river depend?
(a) volume of water
(b) velocity of water
(c) load of river
(d) all of them

Answer

Answer: (d) all of them.


Question 23.
Name the process which takes place with water and minerals
(A) carbonation
(b) hydration
(c) solution
(d) none of these

Answer

Answer: (b) hydration.


Question 24.
The action of oxygen with minerals is known as
(a) hydration
(b) carbonation
(c) carboxylation
(d) oxidation

Answer

Answer: (d) oxidation.


II. Fill up the blanks with suitable words

Question 1.
Changes on the surface of the earth owe mostly ……………….. by various agents.

Answer

Answer: erosion, geomorphic


Question 2.
There are two …………….. of running water.

Answer

Answer: components


Question 3.
……………. flow causes sheet erosion.

Answer

Answer: Overland


Question 4.
The ……………. are still V-shaped but …………… with smooth tops

Answer

Answer: valleys, deep


Question 5.
……………. also help in the deepening of valleys.

Answer

Answer: Pools


Question 6.
…………… are alluvial fans but develop at different …………….

Answer

Answer: Deltas, locations


Question 7.
The chief constituent of limestone is ……………

Answer

Answer: calcium carbonate


Question 8.
………….. and ……………. into the ground starts the solution process along the fractures, faults, bedding and other zones of weakness.

Answer

Answer: Surface run off, infilteration


Question 9.
Caves having opening at both the ends are called ……………..

Answer

Answer: tunnels.


Question 10.
…………….. are the most common landforms in glaciated mountains.

Answer

Answer: Cirques


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