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

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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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

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 2

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 3

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

Question # 1

What is self-quenching in Geiger Muller Counter?

  • Ans 1: A small amount of gas is added into the GM counter is called self quenching or internal quenching,In GM counter the phenomena of quenching is to save the counter from spurious or false counts.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

Question # 1

What are isotopes?What do you have in common?

  • Ans 1: Isotopes are such nuclei of an element that have the same charge number Z but have different mass number A.
    It means ,in the nucleus the number of protons is the same but the number of neutrons is different.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation