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 2 kg body and a 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the KE of 2 kg body will be

Question # 2

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

Question # 3

There are discrete energy levels in atoms. It was first experimentally demonstrated by

Question # 4

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?

Question # 5

The length of a telescope is 36 cm. The focal lengths of its lenses can be

Question # 6

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 7

The unit of inductance is equivalent to

Question # 8

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

Question # 9

All of the following statements are correct except

Question # 10

In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

Question # 11

The velocity of falling raindrops attains limited value because of

Question # 12

Which of the following sources give discrete emission spectrum?

Question # 13

The smooth or steady stream-line flow is know as

Question # 14

Choose the correct statement

Question # 15

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie
A. Ultraviolet
B. Infrared
C. Visible
D. X-ray
2 A photoelectric cell coverts
A. Electrical energy to light energy
B. Light energy to light energy
C. Light energy to electrical energy
D. Light energy to elastic energy
3 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
4 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
5 The dimensional formula of torque is:
A. [ML2T-2]
B. {MLT-2]
C. [ML-1T-2]
D. [ML-2T-2]
6 What will be the duration of the day and night (in hour) if the diameter of the earth is suddenly reduced to half its original value, the mass remaining constant?
A. 12
B. 6
C. 3
D. 2
7 The structure of solids is investigated by using
A. Cosmic Rays
B. X-rays
C. Intra red Radiation
D. γ-rays
8 When sound waves travel from air to water which of these remains constant?
A. Velocity
B. Frequency
C. Wavelength
D. All the above
9 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
10 The incorrect statement regarding the lines of force of the magnetic field B is
A. Magnetic intensity is a measure of lines of force passing through unit area held normal to it
B. Magnetic lines of force form a close curve
C. Inside a magnet, its magnetic lines of force move from north pole of a magnet towards its south pole
D. Due to a magnet magnetic lines of force never cut each other

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