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

In a voltmeter the conduction takes place due to

Question # 2

A photocell with a constant p.d. of V volt across it illuminated by a point source from a distance of 25 cm. When the source is moved to a distance of 1m, the electrons emitted by the photocell

Question # 3

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

Question # 4

The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes

Question # 5

All of the following statements are correct except

Question # 6

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 # 7

The number of turns in the primary coil of a transformer is 200 and the number of turns in the secondary coil is 10. If 240 volts ac are applied to the primary, the output the secondary will be

Question # 8

How does the Young's modulus vary with the increase of temperature?

Question # 9

A cable that can support a load W is cut into two equal parts. The maximum load that can be supported by either part is:

Question # 10

For production of beats the two sources must have

Question # 11

The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be

Question # 12

Blood has a density

Question # 13

At constant volume temperature is increased. Then

Question # 14

Which one of the following is a simple harmonic motion?

Question # 15

The force between two charges 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum
3 Steel is preferred for making springs over copper. Why?
A. Steel is cheaper
B. Young's modulus of steel is more than that of copper
C. Young's modulus of copper is more than that of steel
D. Steel is less likely ot be oxidized
4 The dimensional formula of torque is:
A. [ML2T-2]
B. {MLT-2]
C. [ML-1T-2]
D. [ML-2T-2]
5 A cable that can support a load W is cut into two equal parts. The maximum load that can be supported by either part is:
A. W/4
B. W/2
C. W
D. 2W
6 A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be
A. 64 W
B. 80 W
C. 100 W
D. 125 W
7 How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?
A. 1000 liters
B. 1200 liters
C. 100 liters
D. 2000 liters
8 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
9 The angle between rectangular components of a vector is
A. 0°
B. 60°
C. 90°
D. 120°
10 If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by monochromatic blue light of the same intensity
A. Fringe width will decrease
B. Fringe width will increase
C. The fringe width will remain unchanged
D. Fringes will becomes less intense

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