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

00:00
Question # 1

The wave nature of light was proposed by

Question # 2

Electromagnetic waves transport

Question # 3

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

Question # 4

Light waves are

Question # 5

The appearance of colours in the soap (or oil) film results from

Question # 6

Wavelength of light, on the average, is given by

Question # 7

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

Question # 8

When the source of light is at very large distance, the shape of wavefront is

Question # 9

The terms phase difference and path difference are

Question # 10

Speed of light in vacuum depends upon

Question # 11

Two sources are said to be coherent if they have

Question # 12

Laws of reflection and refraction can also be explained by

Question # 13

Light has

Question # 14

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

Question # 15

The appearance of colours in the soap (or oil) film results from

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ECAT Physics Chapter 10 Important MCQ's

Sr.# Question Answer
1 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
2 The appearance of colours in the soap (or oil) film results from
A. Dispersion
B. Interference
C. Reflection
D. Refraction
3 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
4 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
5 Huygen principle is used to determine
A. Speed of light
B. Location of wavefront
C. About polarized and unpolarized light
D. None of them
6 Which one of the followings can act approximately as a source of monochromatic light
A. Neon lamp
B. Fluorescent tube
C. Sodium lamp
D. None of these
7 Wavelength of red colour as compared to that of violet colour is
A. Smaller
B. Longer
C. Equal
D. None of these
8 Light waves are
A. Transverse waves
B. Longitudinal waves
C. Compressional
D. None of them wave
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 Two sources are said to be coherent if they have
A. Same amplitude
B. Same wavelength
C. Definite phase relation with each other
D. None of them

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