ECAT Pre General Science Physics Chapter 10 MCQ Test With Answer for Physics chapter 10 (Optical Instruments)

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Online MCQ`s Test For Chapter 10 "ECAT Pre General Science Physics Chapter 10 Optical Instruments Online Test"

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ECAT Pre General Science Physics Chapter 10 Optical Instruments Online Test

00:00
Question # 1

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

Question # 2

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

Question # 3

Speed of light in vacuum depends upon

Question # 4

In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves.

Question # 5

Light waves are

Question # 6

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

Question # 7

Wavelength of light, on the average, is given by

Question # 8

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

Question # 9

Huygen's principle states that

Question # 10

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

Question # 11

Light waves are

Question # 12

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

Question # 13

Huygen principle is used to determine

Question # 14

Two sources are said to be coherent if they have

Question # 15

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

Question # 16

The terms phase difference and path difference are

Question # 17

To observe interference of light, the condition, which must be met with is that the sources must be

Question # 18

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

Question # 19

Electromagnetic waves transport

Question # 20

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

Question # 21

Monochromatic light means wave of

Question # 22

Angle between ray of light and the corresponding wavefront is

Question # 23

Light has

Question # 24

Which one of the followings can act approximately as a source of monochromatic light

Question # 25

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

Question # 26

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

Question # 27

Laws of reflection and refraction can also be explained by

Question # 28

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

Question # 29

The wave nature of light was proposed by

Question # 30

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

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ECAT Pre General Science Physics Chapter 10 Test

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