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

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Question # 1

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 # 2

A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if

Question # 3

Angular momentum is

Question # 4

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

Question # 5

According to the Hooke's law the force required to change the length of a wire by 'I' is proportional to

Question # 6

The velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is:

Question # 7

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

Question # 8

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

Question # 9

A piece of fuse wire melts when a current of 15 ampere flows through it.
With this current, if it dissipates 22.5 W, the resistance of fuse wire will be

Question # 10

A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be

Question # 11

The henry is the unit for

Question # 12

In Which case does the potential energy decreases?

Question # 13

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

Question # 14

Which one of the following phenomena is not explained by Huygen's construction of wavefront?

Question # 15

Which of the following sources give discrete emission spectrum?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 In Which case does the potential energy decreases?
A. On compressing a spring
B. On stretching a spring
C. One moving a body against gravitational force
D. One the rising of an air bubble in water
3 The essential distinction between X-rays andγ-rays is that
A. γ-rays have smaller wavelength than X-rays
B. γ-rays emanate from nucleus while X-rays emanate from outer part of the atom
C. γ-rays have greater ionizing power than X-rays
D. γ-rays are more penetrating than X-rays
4 A body of mass 2 kg is thrown up vertically with K.E. of 490 joules. If the acceleration due to gravity is 9.8 m/s2, the height at which the K.E, of the body becomes half its original value is given by:
A. 50 m
B. 12.5 m
C. 25 m
D. 10 m
5 Light appears to travel in straight lines since
A. It is not absorbed by the atmosphere
B. It is reflected by the atmosphere
C. Its wavelength is very small
D. Its velocity is very large
6 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
7 A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot flies at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to
A. 12 s
B. 8 s
C. 15 s
D. 10 s
8 A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is
A. Equal to unity
B. Equal to 1.33
C. Between unity and 1.33
D. Greater than 1.33
9 A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:
A. 1310 W
B. 670 W
C. 810 W
D. 1210 W
10 A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if
A. The mass of the pendulum is increased
B. The mass of the pendulum is decreased
C. The length of the pendulum is increased
D. The length of the pendulum is decreased

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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