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

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 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "

ICS Part 2 Physics Chapter 21 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
Submit

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

Question # 1

What do you understand by "background radiation "?State two source of this radiation?

  • Ans 1: When no radioactive source is placed near the radiation detector,it records radiation,These radiations are called background radiations..
    Its source are
    1. Cosmic rays
    2. presence of radioactive substance Earth crust and atmosphere.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

Write name of different quarks.

  • Ans 1: The name of different quarks are as follows
    Up,Down-Strange ,Charm,Top,Bottom
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

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 5

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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ICS Part 2 Physics Chapter 21 Short Questions Preparation

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