PPSC Physics Topic 5 MCQ Test With Answer

Questions about Waves and Wave Properties Of Light are included in the PPSC Physics test. Waves transport energy from one place to the other. After the dawn of Quantum Mechanics, there is an ongoing debate about the nature of light and the wave properties it has associated with it. The paper setters need to test the understanding of a student about the Waves and Wave Properties Of Light. Selected candidates in the PPSC physics jobs will have to deal regularly with the Waves and their connections with light. Therefore, the PPSC Physics test applicants need to prepare for this topic.

On IlmKiDunya.com portal, PPSC Physics exam preparation is easier for you by providing PPSC Physics online MCQs test. The PPSC online tests on our website contain the most relevant questions about the tests so you can get prepared about what topics are important and what questions you can expect in the test.

MCQ's Test For PPSC Physics Topic 5 Waves and Wave Properties of Light

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PPSC Physics Topic 5 Waves and Wave Properties of Light

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Question # 1

Which of the following is an example band spectra.

Question # 2

Which of the following medium can transmit both transverse and longitudinal waves.

Question # 3

A monochromatic light beam when passed through a prism is.

Question # 4

The shape of wave front depends on

Question # 5

In case of stationary waves every particle of the medium has fixed

Question # 6

The unit of intensity level is.

Question # 7

Two tuning forks of frequencies 260 Hz and 257 Hz are sounded together the number of beats produced per seconds is.

Question # 8

Which effect explain the frequency shift that occurs when there is motion sound a listener or both relative to the medium.

Question # 9

A thin layer of oil the surface of water looks coloured due to.

Question # 10

Which of the following properties of light does not very with the nature of the medium.

Question # 11

LASER is a device for

Question # 12

The amplitude of sound wave determines its

Question # 13

A wave that consists of oscillations occurring perpendicular to the direction of energy transfer is called.

Question # 14

x-rays can cause fluorescence in materials such as

Question # 15

The ratio of intensities of two sound waves is 4 : 9 what will be the ratio of their amplitudes.

Question # 16

In solid and liquids the variation of the speed of sound with temperature is.

Question # 17

The dispersive power of a grating is

Question # 18

The speed of a sound wave is independent of

Question # 19

We can hear beats when the difference in the frequencies of two sounding bodies is not more than.

Question # 20

The spectrum of radiation due to transitions between energy levels in an atom, other absorption or emission is called.

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PPSC Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Light product by a single Nicole is
A. Unpolarized
B. Plane polarized
C. Circulatory polarized
D. Elliptically polarized
2 A girl standing 150 m in front of tall building fires a pistol A boy standing 350 m behind her hears two bangs 1 s apart from this information what is the speed of sound in air.
A. 150 m s-1
B. 300 m s-1
C. 280 m s-1
D. 330 m s-1
3 In the experiment of production od x rays electrons are accelerated towards the anode by
A. Thermionic emission
B. Potential difference
C. Breaking potential
D. Cut of currrent
4 Waves that have the same direction of vibration as their direction of travel are.
A. Longitudinal waves
B. Transverse wave
C. Standing waves
D. hair wave
5 In a diffraction pattern, the width of any fringe is.
A. Directly proportional to slit width
B. Inversely proportional to slit width
C. independent of slit width
D. Zero
6 Increase in velocity of sound in air for 1 oC rise in temperature is.
A. 0.61 m s-1
B. 1.61 m s-1
C. 2.00 m s-1
D. 61.0 m s-1
7 A cork moes at 5 m s-1 on the crest of a wave The distance between the crests is 10 m. The frequency of the wave motion is.
A. 0.5 Hz
B. 1.0 Hz
C. 2.0 Hz
D. 5.0 Hz
8 X -rays are similar in nature to.
A. Alpha particles
B. Beta particles
C. Gama rays
D. Photons
9 When two identical waves are superimposed the velocity of the reasultant wave.
A. Increases
B. Decreases
C. Become zero
D. Remain unchanged
10 Three tuning forks of frequencies 400 Hz. 401 Hz and 402 Hz are sounded together The frequency of beats per sound is.
A. 0
B. 1
C. 2
D. 3

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