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

Laws of reflection and refraction can also be explained by

Question # 2

Electromagnetic waves transport

Question # 3

The wave nature of light was proposed by

Question # 4

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

Question # 5

In case of point source of light, shape of wavefront is

Question # 6

Huygen's principle states that

Question # 7

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

Question # 8

Light waves are

Question # 9

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

Question # 10

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

Question # 11

In an interference pattern of Young's Double Slit (YDS) experiment

Question # 12

Light has

Question # 13

Wavelength of light, on the average, is given by

Question # 14

Speed of light in vacuum depends upon

Question # 15

Huygen principle is used to determine

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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 Wavelength of red colour as compared to that of violet colour is
A. Smaller
B. Longer
C. Equal
D. None of these
3 Huygen's principle states that
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
4 The terms phase difference and path difference are
A. Same
B. Different
C. Equal
D. none of these
5 Light has
A. Wave nature
B. Dual nature
C. Particle nature
D. None of them
6 In case of point source of light, shape of wavefront is
A. Spherical
B. Cylindrical
C. Plane
D. None of above
7 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
8 Wavelength of light, on the average, is given by
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
9 The wave nature of light was proposed by
A. Newton
B. Thomas Young
C. Huygen
D. None of these
10 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

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