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 are the relation between decay constantλand the half-line of a radioactive element?

  • Ans 1: The relation between decay constantλand the half line (T1/2) isλT1/2=0.693
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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 are the relation between decay constantλand the half-line of a radioactive element?

  • Ans 1: The relation between decay constantλand the half line (T1/2) isλT1/2=0.693
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 2

Question # 1

How energy released when 1 amu converted into energy?

  • Ans 1: 1 amu= 1.66 x10-27kg

    the energy of 1 amu is 1 amu =1.494 x10-10J
    1 amu= 931 MeV
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

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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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

Question # 1

What are thermal reactors?

  • Ans 1: The thermal reactors are called thermal reactors because the neutrons must be slowed down to thermal energies to produce further fission,They use natural uranium or slightly enriched uranium as fuel.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

Question # 1

A particle which produce more ionization ,is less penetrating.Why?

  • Ans 1: A particle with great power loses large amount of energy for small distances.That is,it produces more ionization but is less penetration.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation

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