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

At 0°K which of the following properties of a gas will be zero?

Question # 2

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

Question # 3

The smooth or steady stream-line flow is know as

Question # 4

In which case application of angular velocity is useful?

Question # 5

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 6

How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?

Question # 7

Surface tension of water is due to

Question # 8

To increase the magnification of a telescope

Question # 9

Band spectrum is produced by

Question # 10

What is the average energy of N molecules of monoatomic gas?

Question # 11

Which of the following is a scalar quantity?

Question # 12

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

Question # 13

For production of beats the two sources must have

Question # 14

If the dot product of two non-zero vectors vanishes, the vectors will be

Question # 15

Steel is preferred for making springs over copper. Why?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
2 For production of beats the two sources must have
A. Different frequencies and same amplitude
B. Different frequencies
C. Different frequencies, same amplitude and same phase
D. Different frequencies and same phase
3 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
4 A couple produces
A. Purely linear motion
B. Purely rotational motion
C. Linear and rotational motion
D. No motion
5 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
6 Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then
A. R1=2R2
B. R2=2R1
C. R2=4R1
D. R1=4R2
7 A particle is moving in a uniform magnetic filed, then
A. its momentum changes but total energy remains the same
B. Both momentum and total energy remains the same
C. Both changes
D. Total energy change but momentum remains
8 When we apply reverse bias to a junction diode, it
A. Lowers the potential barrier
B. Raise the potential barrier
C. Increase the majority carrier current
D. Increase the minority carrier current
9 The direction of induced current is such that it opposes the very cause that has produced it. This is the law of
A. Lenz
B. Faraday
C. Kirchoff
D. Fleming
10 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

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