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 difference between interference and diffraction fringes?

  • Ans 1: Interference Fringes: The superposition of two waves having same frequency and travelling in same direction results in bright and dark fringes is called interference fringes.

    Diffraction Fringes: The fringes formed due to the bending of light around edges and corners are called diffraction fringes.
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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 difference between interference and diffraction fringes?

  • Ans 1: Interference Fringes: The superposition of two waves having same frequency and travelling in same direction results in bright and dark fringes is called interference fringes.

    Diffraction Fringes: The fringes formed due to the bending of light around edges and corners are called diffraction fringes.
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ICS Part 1 Physics Chapter 9 Short Questions Test - Set 2

Question # 1

Can visible light produce interference fringes? Explain.

  • Ans 1: Yes visible light or what light can produce interference fringes. But each color will produce its own interference fringe pattern. Theses patterns overlap to give rise to a resultant diffused coloured interference pattern.
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ICS Part 1 Physics Chapter 9 Short Questions Test - Set 3

Question # 1

In Newton's rings, Why are the fringes circular?

  • Ans 1: The thickness of the air film between plano-convex lens and plane glass plate is almost zero at the point of contact "o" and gradually increases as we proceed towards the periphery of the lens. Thus, points where the thickness of air film is constant will lie on a circle with "o" as centre. That is why circular fringes are produced.
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ICS Part 1 Physics Short Questions Test

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