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

Describe the principle of operation of solid state detector.

  • Ans 1: The principle of operation of solid state detector is based upon the production of electron-hole pair to cause a pulse of current.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 1

Question # 1

Describe the principle of operation of solid state detector.

  • Ans 1: The principle of operation of solid state detector is based upon the production of electron-hole pair to cause a pulse of current.
Submit

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

Question # 1

What is radioactivity decay?Give an example.

  • Ans 1: The emission of radiations from elements having charge number Z greater than 82 is called radioactivity or radioactive decay.
    The emission of an a-particle from radium-226 ,result in the formation of radon gas.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

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 4

Question # 1

Discuss the advantage and disadvantage of nuclear power compare to the use of fossil fuel generated power.

  • Ans 1: Advantage and disadvantage of nuclear power are given below compared to the use of fossil generated power.
    Advantage:
    1. Much more energy is produced.
    2. Produces no environmental pollution.
    3. Electricity produced in this way is far cheaper than fossil fuel generated power.
    Disadvantage :
    1. Uranium mining is more dangerous than coal mining.
    2. Nuclear waster is very injurous and harmful to living things.
    3. Nuclear waste can not be transported through area of population whereas fossil fuel can be.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

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

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