NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

Try The MCQ's Test For NAT II Physical Science Physics

  • Total Questions15

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NAT II Physical Science Physics

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Question # 1

A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is

Question # 2

The average binding energy of a nucleus inside an atomic nucleus is about

Question # 3

A photoelectric cell coverts

Question # 4

A cable breaks if stretched by more than 2 mm. It is cut into two equal parts. How much either part can be stretched without breaking?

Question # 5

A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is

Question # 6

A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if

Question # 7

How does the Young's modulus vary with the increase of temperature?

Question # 8

A particle moves along a circular path under the action of a force. The work done by the force is

Question # 9

According to classical theory the proposed circular path of an electron in Rutherford model of atom will be

Question # 10

Velocity of sound in a diatomic as is 300 m/sec, what is its rms velocity?

Question # 11

When light wavelength 300 nm (nanometer) falls on a photoelectric emitter, photoelectrons are liberated. For another emitter, however, light of 600 nm wavelength is sufficient for creating photoemission. What is the ratio of the work functions of the two emitters?

Question # 12

A force of 10N is acting along y-axis. Its component along x-axis is

Question # 13

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 14

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an a.c. supply of 20 V, 50 Hz. The secondary will have an output of

Question # 15

A point charge Q is placed at the mid-point of a line joining two charges, 4q and q. If the net force on charge q is zero, then Q must be equal to

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    Zarrar Durrani 12 - Jul - 2024 12 Min 04 Sec 13/15
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    Hajra 01 - Dec - 2018 03 Min 05 Sec 7/15
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    Lolo Polo 22 - Jul - 2022 03 Min 06 Sec 7/15

NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The direction of induced current is such that it opposes the very cause that has produced it. This is the law of
A. Lenz
B. Faraday
C. Kirchoff
D. Fleming
2 The unit of inductance is equivalent to
A. V x s/A
B. V x A/s
C. A x s/v
D. V/A x s
3 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
4 Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved
A. 1.92 N
B. 19.2 N
C. 12 N
D. 0.192 N
5 A conducting wire is drawn to double its length. Final resistivity of the material will be
A. Double of the original one
B. Half of the original one
C. One-fourth of the original one
D. Same as original one
6 In an L-R circuit, time constant is that time in which current grows from zero to the value
A. 0.63 Io
B. 0.50 Io
C. 0.37 Io
D. Io
7 In which case application of angular velocity is useful?
A. When a body is rotating
B. When velocity of body is in a straight line
C. When velocity is in a straight line
D. None of these
8 The dot product of two vectors is negative when
A. They are parallel vectors
B. They are anti-parallel vectors
C. They are perpendicular vectors
D. None of the above is correct
9 Surface tension of water is due to
A. Inter molecular attractions
B. Intermolecular spaces
C. Inter molecular repulsion
D. None of above
10 A monochromatic source of light is placed at a large distance d from a metal surface. Photoelectrons are ejected at rate n, kinetic energy being E. If the source is brought nearer to distance d/2, the rate and kinetic energy per photoelectron become nearly
A. 2n and 2E
B. 4n and 4E
C. 4n and E
D. N and 4E

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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