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

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NAT II Physical Science Physics

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Question # 1

Radio waves of constant amplitude can be generated with

Question # 2

To explain his theory Bohr used

Question # 3

If the earth were to rotate faster, than its present speed the weight of an object will

Question # 4

A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 5

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

Question # 6

A photocell with a constant p.d. of V volt across it illuminated by a point source from a distance of 25 cm. When the source is moved to a distance of 1m, the electrons emitted by the photocell

Question # 7

In Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If its produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be

Question # 8

The essential distinction between X-rays andγ-rays is that

Question # 9

Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is

Question # 10

The contrast in the fringes in any interference pattern depends on

Question # 11

Two forces are acting together on an object. The magnitude of their resultant is minimum when the angle between the force is

Question # 12

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

Question # 13

Band spectrum is produced by

Question # 14

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when:

Question # 15

The motion without consideration of its cause is studied in

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    Zarrar Durrani 12 - Jul - 2024 12 Min 04 Sec 13/15
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    M.umais 18 - Jul - 2021 02 Min 58 Sec 8/15
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    Muhammad Mujahid 11 - Jan - 2019 03 Min 06 Sec 8/15
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    Muhammad Ali 19 - Aug - 2021 04 Min 28 Sec 8/15
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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 twinkling of stars is due to
A. The fact that stars do not emit light continuously
B. The refractive index of the earth's atmosphere fluctuate
C. Intermittent absorption of star light by its own atmosphere
D. None of these
2 The contrast in the fringes in any interference pattern depends on
A. Fringe width
B. Intensity ratio of the sources
C. Distance between the slits
D. Wavelength
3 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick
4 The velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is:
A. 8
B. 4
C. 6
D. 7
5 A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if
A. The mass of the pendulum is increased
B. The mass of the pendulum is decreased
C. The length of the pendulum is increased
D. The length of the pendulum is decreased
6 A cable that can support a load W is cut into two equal parts. The maximum load that can be supported by either part is:
A. W/4
B. W/2
C. W
D. 2W
7 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
8 Steel is preferred for making springs over copper. Why?
A. Steel is cheaper
B. Young's modulus of steel is more than that of copper
C. Young's modulus of copper is more than that of steel
D. Steel is less likely ot be oxidized
9 If a diamagnetic substance is brought near north or south pole of a bar magnet it is
A. Attracted by the poles
B. Repelled by the poles
C. Repelled by north pole and attracted by the south pole
D. Attracted by the north pole and repelled by the south pole
10 The essential distinction between X-rays andγ-rays is that
A. γ-rays have smaller wavelength than X-rays
B. γ-rays emanate from nucleus while X-rays emanate from outer part of the atom
C. γ-rays have greater ionizing power than X-rays
D. γ-rays are more penetrating than X-rays

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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