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 terms phase difference and path difference are

Question # 2

Speed of light in vacuum depends upon

Question # 3

Light waves are

Question # 4

Light has

Question # 5

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

Question # 6

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

Question # 7

Huygen's principle states that

Question # 8

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

Question # 9

Two sources are said to be coherent if they have

Question # 10

Electromagnetic waves transport

Question # 11

The wave nature of light was proposed by

Question # 12

Wavelength of light, on the average, is given by

Question # 13

Huygen principle is used to determine

Question # 14

Monochromatic light means wave of

Question # 15

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

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ECAT Physics Chapter 10 Important MCQ's

Sr.# Question Answer
1 When the source of light is at very large distance, the shape of wavefront is
A. Spherical
B. Cylindrical
C. Plane
D. None of these
2 The terms phase difference and path difference are
A. Same
B. Different
C. Equal
D. none of these
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 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
5 Wavelength of red colour as compared to that of violet colour is
A. Smaller
B. Longer
C. Equal
D. None of these
6 Light waves are
A. Transverse waves
B. Longitudinal waves
C. Compressional
D. None of them wave
7 The appearance of colours in the soap (or oil) film results from
A. Dispersion
B. Interference
C. Reflection
D. Refraction
8 Angle between ray of light and the corresponding wavefront is
A. 00
B. 600
C. 900
D. 1200
9 Huygen's principle states that
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
10 The appearance of colours in the soap (or oil) film results from
A. Dispersion
B. Interference
C. Reflection
D. Refraction

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