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

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ECAT Pre General Science Physics Chapter 10 Test

ECAT Pre General Science Physics Chapter 10 Optical Instruments Online Test

Try the 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

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Question # 1

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

Question # 2

Light has

Question # 3

Laws of reflection and refraction can also be explained by

Question # 4

Light waves are

Question # 5

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

Question # 6

Light waves are

Question # 7

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

Question # 8

Huygen principle is used to determine

Question # 9

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

Question # 10

Two sources are said to be coherent if they have

Question # 11

Angle between ray of light and the corresponding wavefront is

Question # 12

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

Question # 13

Monochromatic light means wave of

Question # 14

Electromagnetic waves transport

Question # 15

Huygen's principle states that

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Wavelength of light, on the average, is given by

Question # 20

Speed of light in vacuum depends upon

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

The wave nature of light was proposed by

Question # 29

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

Question # 30

The terms phase difference and path difference are

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