ICS Part 2 Physics Chapter 19 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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12th Class Physics Chapter Wise Preparation

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Physics - ICS Part 2 Physics Chapter 19 Short Questions Preparation

Question # 1

Can a pair production take place in vacuum?Explain

  • Ans 1: No,pair production can not take place in vacuum.
    In order to conserve the momentum and energy,their presence of heavy nucleus is essential,The vacuum has no particle or heavy nucleus,Therefore pair production can not take place in vacuum.

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Prepare Complete Set Wise Questions For Chapter 8 "ICS Part 2 Physics Chapter 19 Short Questions Preparation "

ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 1

Question # 1

Can a pair production take place in vacuum?Explain

  • Ans 1: No,pair production can not take place in vacuum.
    In order to conserve the momentum and energy,their presence of heavy nucleus is essential,The vacuum has no particle or heavy nucleus,Therefore pair production can not take place in vacuum.

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ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 2

Question # 1

When does light behaves as a wave?When does light behaves as a particle?

  • Ans 1: Light behave as a wave when it propagates from one place to other and light behave as a particle when it interacts with matter,Light behaves as a wave in interference and diffraction,Light behaves as a particle in photoelectric and Compton effect.
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ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 3

Question # 1

We do not notice the de-Broglie wavelength for a pitched cricket ball.Explain why?

  • Ans 1: According to de-Broglie hypothesis

    λ =h/mv

    As cricket ball has large mass,therefore wavelength of wavelength associated with it is so small that is not detectable.
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ICS Part 2 Physics Chapter 19 Short Questions Preparation

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