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

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

Question # 2

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

Question # 3

Shunt required in an ammeter of resistance R to decrease its deflection from 30 ampere to 10 ampere is

Question # 4

A particle moving in a magnetic field has increase in its velocity, then its radius of the circle

Question # 5

Blood has a density

Question # 6

Which one of the following is a simple harmonic motion?

Question # 7

Angular momentum is

Question # 8

In an L-R circuit, time constant is that time in which current grows from zero to the value

Question # 9

The structure of solids is investigated by using

Question # 10

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

Question # 11

In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie

Question # 12

The unit of inductance is equivalent to

Question # 13

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

Question # 14

Centre of mass is a point

Question # 15

An object is placed at a distance of f/2 from a convex lens. The image will be

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
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 dimensional formula for the modulus of elasticity is same as that for:
A. Stress
B. Strain
C. Velocity
D. Surface tension
4 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
5 A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m
6 If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will
A. Increas
B. Decreases
C. Remain the same
D. First A then B
7 A motorist travels A to B at a speed at 40 km/h and returns at speed of 60 km/h. His average speed will be
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
8 If the earth were to rotate faster, than its present speed the weight of an object will
A. Increase at the equator but remain unchanged at the poles
B. Decrease at the equator but remain unchanged at the poles
C. Remain unchanged at the decrease but decrease at the poles
D. Remain unchanged at the equator but increase at the poles
9 Which one of the following is a simple harmonic motion?
A. Wave moving through a string fixed at both ends
B. Earth spinning about its own axis
C. Ball bouncing between two rigid vertical walls
D. Particle moving in a circle with uniform speed
10 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

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