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

Radio waves of constant amplitude can be generated with

Question # 2

Which quantity is increased in step-down transformer?

Question # 3

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 # 4

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

Question # 5

Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is

Question # 6

In which case application of angular velocity is useful?

Question # 7

What will be the duration of the day and night (in hour) if the diameter of the earth is suddenly reduced to half its original value, the mass remaining constant?

Question # 8

In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion

Question # 9

There are discrete energy levels in atoms. It was first experimentally demonstrated by

Question # 10

Which of the following is the only vector quantity?

Question # 11

The dot product of two vectors is negative when

Question # 12

The essential distinction between X-rays andγ-rays is that

Question # 13

A capacitor acts as an infinite resistance for

Question # 14

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

Question # 15

When the length of a microscope tube increase, its magnifying power

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 What remains constant in the field of central force?
A. Potential energy
B. Kinetic energy
C. Angular momentum
D. Linear momentum
2 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
3 The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be
A. 1
B. 3/4
C. 7/8
D. 5/8
4 The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is
A. 25 m
B. 35 m
C. 50 m
D. 85 m
5 At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:
A. Sinusoidal shape with amplitude A/3
B. Sinusoidal shape with amplitude A/2
C. Sinusoidal shape with amplitude A
D. Straight line
6 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick
7 In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion
A. KE remains constant
B. PE remains constant
C. KE/PE is constant
D. KE+PE remains constant
8 In which case application of angular velocity is useful?
A. When a body is rotating
B. When velocity of body is in a straight line
C. When velocity is in a straight line
D. None of these
9 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
10 A fly is sitting on the objective of a telescope pointed towards the moon.
What effect is expected on the photography of the moon taken through the telescope?
A. The entire of view blocked
B. There is an image of the fly on the photography
C. There is no effect at all
D. There is a reduction in the intensity of the image

Test Questions

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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