NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

The number of translation degrees of freedom for a diatomic gas is

Question # 2

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 # 3

Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then

Question # 4

Which of the following is the only vector quantity?

Question # 5

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

Question # 6

Which of the following four statement is false?

Question # 7

According to Stoke's law, drag force depends on

Question # 8

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

Question # 9

Which of the modulus of elasticity is involved in compression a rod to decrease its length?

Question # 10

The smooth or steady stream-line flow is know as

Question # 11

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

Question # 12

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?

Question # 13

Absolute temperature can be calculated by

Question # 14

The structure of solids is investigated by using

Question # 15

The volt/metre is the unit of:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 According to the Hooke's law the force required to change the length of a wire by 'I' is proportional to
A. I-2
B. I-1
C. I
D. I2
2 All of the following statements are correct except
A. The total focal length of astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can increases by decreasing the focal length of the eyepiece
D. The magnifying power of the refracting type of astronomical telescope is the ratio of the focal length of the objective to that of the eye piece
3 Angular momentum is
A. Vector (axial)
B. Vector (polar)
C. Scalar
D. None of these
4 The average binding energy of a nucleus inside an atomic nucleus is about
A. 8 MeV
B. 8 eV
C. 8 Joules
D. 8 ergs
5 The part of a transistor which is heavily doped to produce large number of majority carriers is
A. Emitter
B. Base
C. Collector
D. Any of the above depending on nature of transistor
6 Two forces are acting together on an object. The magnitude of their resultant is minimum when the angle between the force is
A. 0°
B. 60°
C. 120°
D. 180°
7 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8 m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece
8 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
9 A sun rise or sun set, the sun looks reddish because:
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light
10 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these

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