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

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.

Question # 2

Two light waves which are not coherent cannot produce.

Question # 3

Wave motion in air consist of

Question # 4

The wavelength is the distance along the line of wave propagation between two successive particles which have equal

Question # 5

A pulse on the string is inverted when it is reflected from

Question # 6

In the experiment of production od x rays electrons are accelerated towards the anode by

Question # 7

Plane polarized light can be produced by

Question # 8

The distance between any two consecutive bright or dark fringes is called.

Question # 9

If the period of a wave motion is 2 s and the wave speed is 4 cm s-1 then its frequency is

Question # 10

Wave length of a LASER can be sued as a standard of.

Question # 11

Which characteristics successively increases in the musical scale.

Question # 12

In case of longitudinal waves the individual particles of the medium move.

Question # 13

We get light inside a room in a day time due to

Question # 14

Hygen's principle states that

Question # 15

When mas of a string is increased 4 times its original valve, the velocity of the wave.

Question # 16

In the experiment of production of X rays the anti cathode should be bombarded with.

Question # 17

Newton's rings are experimentally derived from the phenomenon of.

Question # 18

The note of the lowest frequency is called

Question # 19

The unit of intensity level is.

Question # 20

A water wave is an example of

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PPSC Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 For polarization , the direction of oscillation has to be perpendicular to the direction of travel sound waves are longitudinal waves so they cannot be.
A. Reflected
B. Deflected
C. Diffracted
D. polarized
2 When sound waves enter a different medium the quantity that remains unchanged a.
A. Wavelength
B. Speed
C. frequency
D. Intensity
3 The distance between any two consecutive bright or dark fringes is called.
A. Wavelength
B. Amplitude
C. Fringe spacing
D. Wavelet
4 The ripple tank is used to study various features of
A. Wave phenomenon
B. Interferences
C. Doppler's effect
D. Reverberation
5 When white light is incident on a diffraction grating, the light that will eb deviated from central image will be.
A. White
B. Yellow
C. Red
D. Blue
6 If in Young's double slit experiments the separation between two slits is halved then the fringe width
A. Remains unchanged
B. Becomes double
C. Reduces to half
D. Becomes 3 times
7 The heat frequency is the
A. Sum of the two frequenceis
B. Produce of the two frequency
C. Difference of the two frequencies
D. Ratio of the two frequencies
8 Michelson's interferometer can b e sued to find
A. Velocity of light
B. Velocity of sound
C. Wavelength of light
D. Wavelength of sound
9 The main advantage of a grating over Young's apparatus is the
A. Sharpness of the bright lines
B. Absence of dark fringes
C. Absence of bright fringes
D. Greater deviation of light
10 Huygen's principle is used to explain the
A. Speed of light
B. Dispersion of light
C. Propagation of light
D. Reflection of light

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