ICS Part 2 Physics Chapter 21 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Online Short Questions For Chapter 10 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "

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Physics - ICS Part 2 Physics Chapter 21 Short Questions Preparation

Question # 1

What do you know about Radioactivity?

  • Ans 1: The elements having charge number Z>82 are unstable and they emit invisible radiations which affect the photographic plate.Such element are called radioactive elements and this process is called radioactivity.
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Prepare Complete Set Wise Questions For Chapter 10 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 1

Question # 1

What do you know about Radioactivity?

  • Ans 1: The elements having charge number Z>82 are unstable and they emit invisible radiations which affect the photographic plate.Such element are called radioactive elements and this process is called radioactivity.
Submit

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 2

Question # 1

Briefly give the use of (a)Wilson cloud chamber (b)G.M counter.

  • Ans 1: Wilson Cloud Chamber:It provides information about the change in mass and energy of radiating particles.
    G.M Counter:It is used to determine the range and penetrating power of ionizing particles.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

Why are heavy nuclei unstable?

  • Ans 1: Heavy nuclei are unstable because their binding energy per nucleon is less than lighter nuclei.So less energy is required to break heavy nuclei and they become unstable.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

Question # 1

Why moderators are used in the core of nuclear reactor?

  • Ans 1: The moderator ae used in the core to slow the neutrons down so that they can be captured and keep the chain reaction going.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

Question # 1

Briefly give the use of (a)Wilson cloud chamber (b)G.M counter.

  • Ans 1: Wilson Cloud Chamber:It provides information about the change in mass and energy of radiating particles.
    G.M Counter:It is used to determine the range and penetrating power of ionizing particles.
Submit

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ICS Part 2 Physics Chapter 21 Short Questions Preparation

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