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

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

Question # 2

A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes

Question # 3

A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is

Question # 4

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

Question # 5

In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion

Question # 6

Choose the correct statement

Question # 7

Which of the following is a scalar quantity?

Question # 8

When the length of a microscope tube increases, its magnifying power

Question # 9

The smooth or steady stream-line flow is know as

Question # 10

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 # 11

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 12

The average binding energy of a nucleus inside an atomic nucleus is about

Question # 13

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

Question # 14

When sound waves travel from air to water which of these remains constant?

Question # 15

Two sources of sound are said to be coherent if

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A 220 V, 50 Hz. A.C. source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit?
A. 10 A
B. 5 A
C. 33.3 A
D. 3.33 A
2 To make the frequency double of an oscillator, we have to
A. Double the mass
B. Half the mass
C. Quadruple the mass
D. Reduce the mass to one fourth
3 Which of the following sources give discrete emission spectrum?
A. Incandescent electric bulb
B. Sun
C. Mercury vapour lamp
D. Candle
4 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
5 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
6 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
7 How does the Young's modulus vary with the increase of temperature?
A. Decrease
B. Increases
C. Remains constant
D. First increases and then decreases
8 In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion
A. KE remains constant
B. PE remains constant
C. KE/PE is constant
D. KE+PE remains constant
9 When sound waves travel from air to water which of these remains constant?
A. Velocity
B. Frequency
C. Wavelength
D. All the above
10 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum

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