12 Class Fsc Part 2 Short Questions Online Preparation Chapter Wise

Online Short Questions For Chapter 10 "12th Class Physics Chapter 10 Short Questions Preparation "

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Physics - 12th Class Physics Chapter 10 Short Questions Preparation

Question # 1

Define fission and fusion reaction.

  • Ans 1: Fission: Such a reaction in which a heavy nucleus like that of uranium splits up into two nuclei of roughly equal size along with the emission of energy is called fission reaction.
  • Ans 2: Fusion: A reaction in which two light of nuclei merge to form a heavy nucleus is called fusion reaction.It requires very high temperature.
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Prepare Complete Set Wise Questions For Chapter 10 "12th Class Physics Chapter 10 Short Questions Preparation "

12th Class Physics Chapter 10 Short Questions Preparation - Set 1

Question # 1

Define fission and fusion reaction.

  • Ans 1: Fission: Such a reaction in which a heavy nucleus like that of uranium splits up into two nuclei of roughly equal size along with the emission of energy is called fission reaction.
  • Ans 2: Fusion: A reaction in which two light of nuclei merge to form a heavy nucleus is called fusion reaction.It requires very high temperature.
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12th Class Physics Chapter 10 Short Questions Preparation - Set 2

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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12th Class Physics Chapter 10 Short Questions Preparation - Set 3

Question # 1

What do you mean by critical mass and critical volume?

  • Ans 1: The mass of uranium in which one neutron out of all neutron out of all neutron produced in one fission reaction produces further fission reaction is called critical mass.
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12th Class Physics Chapter 10 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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12th Class Physics Chapter 10 Short Questions Preparation - Set 5

Question # 1

If you swallowed a alpha source and beta source ,which would be more dangerous to you ?Explain

  • Ans 1: As alpha particle have greater energy and ionizing power than beta particle,so alpha particle are more dangerous than beta particle.
    Critical volume:The volume of critical mass is called critical volume.
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