ECAT Pre Computer Science Chapter 10 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 10 Optical Instruments

Try The MCQ's Test For ECAT Physics Chapter 10 Optical Instruments

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ECAT Physics Chapter 10 Optical Instruments

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Question # 1

A line which represents the direction of travel of a wave is known as

Question # 2

The locus of all the points in the same phase of vibration is called

Question # 3

Electromagnetic waves transport

Question # 4

Monochromatic light means wave of

Question # 5

Two sources are said to be coherent if they have

Question # 6

The wave nature of light was proposed by

Question # 7

Frequency of red colour as compared to that of violet colour is

Question # 8

In case of constructive interference of two waves, the amplitude of the resultant wave is __________ either of the waves

Question # 9

Angle between ray of light and the corresponding wavefront is

Question # 10

The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself

Question # 11

Light waves are

Question # 12

Speed of light in vacuum depends upon

Question # 13

The terms phase difference and path difference are

Question # 14

Laws of reflection and refraction can also be explained by

Question # 15

In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes

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ECAT Physics Chapter 10 Important MCQ's

Sr.# Question Answer
1 The appearance of colours in the soap (or oil) film results from
A. Dispersion
B. Interference
C. Reflection
D. Refraction
2 Electromagnetic waves transport
A. Energy only
B. Momentum only
C. Both A and B
D. None is correct
3 The property of light which does not change with the nature of the medium is
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
4 Light waves are
A. Transverse waves
B. Longitudinal waves
C. Compressional
D. None of them wave
5 The locus of all the points in the same phase of vibration is called
A. Wave pocket
B. Wavefront
C. Wave number
D. None of these
6 Light waves are
A. Mechanical waves
B. Electromagnetic waves
C. Any of above
D. None of above
7 The terms phase difference and path difference are
A. Same
B. Different
C. Equal
D. none of these
8 Laws of reflection and refraction can also be explained by
A. Particle nature of light
B. Quantum nature of light
C. Wave nature of light
D. Complex nature of light
9 In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes
A. Bright
B. Dark
C. Any of A or B
D. None of these
10 The wave nature of light was proposed by
A. Newton
B. Thomas Young
C. Huygen
D. None of these

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