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

For production of beats the two sources must have

Question # 2

In which of the following states does the incandescent substance give continuous spectrum?

Question # 3

Copper and germanium are cooled to 70K from room temperature, then

Question # 4

In a voltmeter the conduction takes place due to

Question # 5

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

Question # 6

Velocity of sound in a diatomic as is 300 m/sec, what is its rms velocity?

Question # 7

A moving charge will gain energy due to the application of

Question # 8

A particle moves along a circular path under the action of a force. The work done by the force is

Question # 9

Surface tension of water is due to

Question # 10

Huygen's wave theory of light cannot explain

Question # 11

Which of the following is the only vector quantity?

Question # 12

The conductivity of a superconductor is

Question # 13

Two sources of sound are said to be coherent if

Question # 14

Which of the modulus of elasticity is involved in compression a rod to decrease its length?

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 The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is
A. Double the earlier value
B. Unchanged
C. More than doubled
D. Less than doubled
2 In an L-R circuit, time constant is that time in which current grows from zero to the value
A. 0.63 Io
B. 0.50 Io
C. 0.37 Io
D. Io
3 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
4 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
5 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
6 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
7 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8 m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece
8 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
9 What is the average energy of N molecules of monoatomic gas?
A. 1/2 NKT
B. NKT
C. 3/2 NKT
D. 5/2 NKT
10 When the length of a microscope tube increases, its magnifying power
A. Decreases
B. Increases
C. May increases or decreases depending on the observer and the place of observation
D. Does not change

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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