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 wave source of frequency 1000 Hz emits waves of wavelength 0.1 m How long does is take for the waves to travel 2500 m.

Question # 2

On average there is no energy transfer in.

Question # 3

According to Huygen's principle

Question # 4

When light enters glass from air it suffers a change in.

Question # 5

Interference fringe spacing depends on

Question # 6

Light product by a single Nicole is

Question # 7

The same notes being played on sitar and veena differ in.

Question # 8

When a sound source moves towards a stationary observer there is.

Question # 9

A stretched wire with clamped ends has a fundamental frequency of 1,000 Hz. What will be the new fundamental frequency if tension in the wire is increased by 2%

Question # 10

Pitch of the sound determines

Question # 11

Light waves can be polarized because they

Question # 12

The wavelength of Pascha series lies is the

Question # 13

Light of passing through a polaroid is

Question # 14

the amplitude of a wave indicates

Question # 15

The frequency of the fundamental mode of transverse vibration of a stretched wire 1,000 mm long is 256 Hz When the wire is shortened to 400 mm at the same tension

Question # 16

Longitudinal waves cannot be

Question # 17

Huygen's wave theory falls to explain

Question # 18

Which characteristics successively increases in the musical scale.

Question # 19

When wind blows in the same direction in which the sound travels, the sound velocity

Question # 20

If the wave length of a wire is 1 cm and its period is 0.02 s, the velocity of the wave will be

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PPSC Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Two waves which combine to produce a resultant by reinforcing each other of every point demonstrate.
A. Destructive interference
B. constructive interference
C. Refraction
D. polarization
2 Light of passing through a polaroid is
A. Plane polarized
B. Unpolarized
C. Circularly polarized
D. Elliptically polarized
3 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
4 Which of the following is an example of continuous spectra.
A. Black body radiation spectrum
B. Molecular spectra
C. Atomic spectra
D.

grating spectrum
5 A longitudinal sinusoidal wave has a wavelength of 1 cm and a period of 2s. Its wave velocity is.
A. 50 cm s-1
B. 0.00t m s-1
C. 100 cm s-1
D. 5 m s-1
6 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
7 Which analysis is employed to convert a complex sound into notes.
A. Fourier theorem
B. Milleman theorem
C. Lissajoes theorem
D. Demorgan's law
8 X-rays can cause
A. Malaria
B. Dysentery
C. Cancer
D. Blood pressure
9 A LASER beam may be used to measure very large distance because it is.
A. Unidirectional
B. Coherent
C. Monochromatic
D. Massive
10 On loading the prong of a tuning fork with wax. Its frequency.
A. Increases
B. Decreases
C. Remain unchanged
D. May increase or decrease

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