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

00:00
Question # 1

Planck's constant has the dimensions of:

Question # 2

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

Question # 3

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

Question # 4

Two sources of sound are said to be coherent if

Question # 5

All of the following statements are correct except

Question # 6

Light appears to travel in straight lines since

Question # 7

Shunt required in an ammeter of resistance R to decrease its deflection from 30 ampere to 10 ampere is

Question # 8

In an L-R circuit, time constant is that time in which current grows from zero to the value

Question # 9

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

Question # 10

For production of beats the two sources must have

Question # 11

Absolute temperature can be calculated by

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

When n-type of semiconductor is heated

Question # 14

The incorrect statement regarding the lines of force of the magnetic field B is

Question # 15

Which one of the following is a simple harmonic motion?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 If the earth were to rotate faster, than its present speed the weight of an object will
A. Increase at the equator but remain unchanged at the poles
B. Decrease at the equator but remain unchanged at the poles
C. Remain unchanged at the decrease but decrease at the poles
D. Remain unchanged at the equator but increase at the poles
2 The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90°with the force of the smaller magnitude, then their magnitudes are:
A. 3, 15
B. 4, 14
C. 5, 13
D. 6, 12
3 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
4 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
5 The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:
A. Mass
B. Length
C. Time
D. None
6 Which of the following four statement is false?
A. A body can have zero velocity and still be accelerated
B. A body can have a constant velocity and still have a varying speed
C. A body can have a constant speed and still have a varying velocity
D. The direction of the velocity of a body can change when its acceleration is constant
7 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
8 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
9 In an A.C. circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be
A. R/4
B. R/2
C. R
D. Cannot be found with the given data
10 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity

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