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

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 "12th Class Physics Chapter 10 Short Questions Preparation "

12th Class Physics Chapter 10 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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12th Class Physics Chapter 10 Short Questions Preparation - Set 2

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

Question # 1

Define mass defect and binding energy.

  • Ans 1: Mass defect: The mass of the nucleus is always less than the total mass of the protons and neutrons that make up the nucleus,The difference of the two masses is called mass defect.
    Binding energy:The missing mass is converted into energy at the formation of the nucleus and is called binding energy.
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12th Class Physics Chapter 10 Short Questions Preparation - Set 4

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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12th Class Physics Chapter 10 Short Questions Preparation - Set 5

Question # 1

Distinguished between nuclear fission and nuclear fusion.

  • Ans 1: Nuclear Fission: Such a reaction in which a heavy nuclei like that of uranium splits up into two of roughly equal size along with the emission of energy is called fission reaction.
  • Ans 2: Nuclear Fusion:A reaction in which two lights nuclei merge to form a heavy nucleus is called fusion reaction.It require very high temperature.
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21th Chapter

12th Class Physics Ch 21 Preparation

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