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

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 2

Angular momentum is

Question # 3

What remains constant when the earth revolves around the sun?

Question # 4

For obtaining appreciable extension, the wire should be

Question # 5

Which of the following is the only vector quantity?

Question # 6

A particle moving in a magnetic field has increase in its velocity, then its radius of the circle

Question # 7

Planck's constant has the dimensions of:

Question # 8

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

Question # 9

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:

Question # 10

A person standing on a rotating platform has his hands lowered. He suddenly outstretches his arms. The angular momentum

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

Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?

Question # 13

The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is

Question # 14

Light appears to travel in straight lines since

Question # 15

The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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?
A. 1 : 2
B. 2 : 1
C. 4 : 1
D. 1 : 4
2 What is the average energy of N molecules of monoatomic gas?
A. 1/2 NKT
B. NKT
C. 3/2 NKT
D. 5/2 NKT
3 At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:
A. Sinusoidal shape with amplitude A/3
B. Sinusoidal shape with amplitude A/2
C. Sinusoidal shape with amplitude A
D. Straight line
4 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
5 The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is
A. Double the earlier value
B. Unchanged
C. More than doubled
D. Less than doubled
6 A fly is sitting on the objective of a telescope pointed towards the moon.
What effect is expected on the photography of the moon taken through the telescope?
A. The entire of view blocked
B. There is an image of the fly on the photography
C. There is no effect at all
D. There is a reduction in the intensity of the image
7 In a simple harmonic motion (SHM), which of the following does not hold?
A. To force on the particle is maximum at the ends
B. The acceleration in minimum at the mean position
C. The potential energy is maximum at the mean position
D. The kinetic energy is maximum at the mean position
8 Which one of the following phenomena is not explained by Huygen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of spectra
9 The sieman is the SI unit of
A. Resistance
B. Specific Resistance
C. Conductance
D. Inductance
10 A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m

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