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

Question # 2

Boyle's law is applicable in

Question # 3

Which quantity is increased in step-down transformer?

Question # 4

Steel is preferred for making springs over copper. Why?

Question # 5

An ideal choked (used along with fluorescent tube) would be

Question # 6

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

Question # 7

The direction of induced current is such that it opposes the very cause that has produced it. This is the law of

Question # 8

Energy is stored in the choke coil in the form of

Question # 9

A body moves a distance of 10 m along a straight line under the action of a force of 5 Newton's. If the work done is 25 joules, the angle which the force takes with the direction of motion of the body is:

Question # 10

A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is

Question # 11

A force of 10N is acting along y-axis. Its component along x-axis is

Question # 12

Centre of mass is a point

Question # 13

A moving charge will gain energy due to the application of

Question # 14

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

Question # 15

In Which case does the potential energy decreases?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The volt/metre is the unit of:
A. Potential
B. Work
C. Force
D. Electric field intensity
2 Choose the correct statement
A. Both an ammeter and voltmeter should have small resistance
B. Both an ammeter and a voltmeter should have large resistance
C. An ammeter should have large resistance and a voltmeter should have small resistance
D. An ammeter should have small resistance and a voltmeter should have large resistance
3 The unit of inductance is equivalent to
A. V x s/A
B. V x A/s
C. A x s/v
D. V/A x s
4 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting. Calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
5 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick
6 If a diamagnetic substance is brought near north or south pole of a bar magnet it is
A. Attracted by the poles
B. Repelled by the poles
C. Repelled by north pole and attracted by the south pole
D. Attracted by the north pole and repelled by the south pole
7 There are discrete energy levels in atoms. It was first experimentally demonstrated by
A. Rutherford's experiment
B. Franck Hertz experiment
C. Marsden's experiment
D. Somerfield experiment
8 Two sources of sound are said to be coherent if
A. They produce sounds of equal intensity
B. They produce sounds of equal frequency
C. They produce sound waves vibrating with the same phase
D. They produce sound waves with zero or constant phase different all instant of time
9 A particle moving in a magnetic field has increase in its velocity, then its radius of the circle
A. Decreases
B. Increases
C. Remains the same
D. Becomes half
10 If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be
A. Increasing by a factor of 2
B. Decreasing by a factor of 2
C. Decreasing by a factor of 4
D. Unchanged

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