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: A solid state detector is a specially designed p-n junction operating under a reversed bias in which electron-hole pairs are produced by the incident radiation to cause a current pulse to flow through the external circuit.
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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

Describe the principle of operation of solid state detector?

  • Ans 1: A solid state detector is a specially designed p-n junction operating under a reversed bias in which electron-hole pairs are produced by the incident radiation to cause a current pulse to flow through the external circuit.
Submit

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

Question # 1

Protons and neutron are formed by what types of quarks?

  • Ans 1: Protons is formed by two up and one down quarks.Neutron is formed by two down and one up quarks.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

If nucleus has a life of one year,does this mean that it will be completely decayed after two years?

  • Ans 1: No it will not decay completely after two years.
    Numbers of atom at initial stage =No
    number of atoms decayed after first year =1/2No
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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

Define half-line of radioactive element.How is it related with decay constant?

  • Ans 1: Half-line:T1/2is the period in which half of the atom of a radioactive element decay.
    It is related with a decay constant by formula.
    T1/2= 0.693/Λ
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ICS Part 2 Physics Chapter 21 Short Questions Preparation