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

Online Short Questions For Chapter 8 "ICS Part 2 Physics Chapter 19 Short Questions 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

What are black body radiations and how can you get a black body?

  • Ans 1: An objects that absorbs all radiations falling on it,at all wavelength is called a black body.
    When a body is heated ,it emits radiation its emission is called black body.
    Black body is solid that has hollow cavity within it and a small hole through which radiations can enter or escape.The inside is blackened with suit to make it as good an absorber and as a bad reflector as possible.
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ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 3

Question # 1

What do you know by annihilation of matter?

  • Ans 1: When a positron comes close to an electron,they annihilate and produce two photons in the gamma rays range.It is called annihilation of matter.
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19th Chapter

ICS Part 2 Physics Chapter 19 Short Questions Preparation

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