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

Speed of light in vacuum depends upon

Question # 3

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

Question # 4

The property of light which does not change with the nature of the medium is

Question # 5

Huygen's principle states that

Question # 6

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

Question # 7

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

Question # 8

Light waves are

Question # 9

Two sources are said to be coherent if they have

Question # 10

Light has

Question # 11

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

Question # 12

Angle between ray of light and the corresponding wavefront is

Question # 13

Electromagnetic waves transport

Question # 14

Laws of reflection and refraction can also be explained by

Question # 15

Huygen principle is used to determine

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ECAT Physics Chapter 10 Important MCQ's

Sr.# Question Answer
1 Electromagnetic waves transport
A. Energy only
B. Momentum only
C. Both A and B
D. None is correct
2 Angle between ray of light and the corresponding wavefront is
A. 00
B. 600
C. 900
D. 1200
3 Frequency of red colour as compared to that of violet colour is
A. Equal
B. Smaller
C. Greater
D. None of these
4 Huygen's principle states that
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
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 Wavelength of light, on the average, is given by
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
7 Light waves are
A. Mechanical waves
B. Electromagnetic waves
C. Any of above
D. None of above
8 The wave nature of light was proposed by
A. Newton
B. Thomas Young
C. Huygen
D. None of these
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 speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
A. Equal to
B. Greater than
C. Smaller than
D. None of these

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