ICS Part 1 Physics English Medium Chapter 9 Online Short Questions Test with Answers

Online Short Questions For Chapter 9 "ICS Part 1 Physics Chapter 9 Short Questions Test "

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Physics - ICS Part 1 Physics Chapter 9 Short Questions Test

Question # 1

What is Michelson's interferometer? Also write its working principle.

  • Ans 1: Michelson's interferometer is an instrument that is capable of measuring distance with extremely high precision.
    Its working is based on interference. When light from a single source splits up into two parts and then interfere, it forms an interference pattern.
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Prepare Complete Set Wise Questions For Chapter 9 "ICS Part 1 Physics Chapter 9 Short Questions Test "

ICS Part 1 Physics Chapter 9 Short Questions Test - Set 1

Question # 1

What is Michelson's interferometer? Also write its working principle.

  • Ans 1: Michelson's interferometer is an instrument that is capable of measuring distance with extremely high precision.
    Its working is based on interference. When light from a single source splits up into two parts and then interfere, it forms an interference pattern.
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ICS Part 1 Physics Chapter 9 Short Questions Test - Set 2

Question # 1

In Young's experiment, one of the slits is covered with blue filter and other red filter, what would be the pattern of light intensity on the screen?

  • Ans 1: No interference pattern will be observed because blu and red lights are of different wavelengths. So the source of light will not be coherent
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ICS Part 1 Physics Chapter 9 Short Questions Test - Set 3

Question # 1

What do you mean by coherent source ? Explain a common method for producing two coherent sources.

  • Ans 1: The monochromatic sources of light which emit waves, having a constant phase difference are called coherent sources.
    A common method of producing two coherent light beams is to use a monochromatic source to illuminate a screen containing two small holes, usually in the shape of slits. The light emerging from the two slits is coherent because a single source produces the original beam and two slits serve only too split it into two parts.
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ICS Part 1 Physics Short Questions Test

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