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Online Short Questions For Chapter 10 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "

Try The Short Questions For 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

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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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

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

Question # 1

Wh Geiger counter is not suitable for fast counting?

  • Ans 1: Geiger counter is not suitable for fast counting because of its longer dead time.The positive ions take several time as long to reach the outer cathode,because positive ions are very massive than the electrons.During this time further incoming particle can not be counted,This time is called as the dead time of counter which delays fast counting system.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

A particle which produce more ionization ,is less penetrating.Why?

  • Ans 1: A particle with great power loses large amount of energy for small distances.That is,it produces more ionization but is less penetration.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

Question # 1

Define Half line and discuss its dependence.

  • Ans 1: The half line T1/2of a radioactive elements is that period in which half of the atom decay.
    Dependence: The number of decaying atoms is proportional to the number of atoms present in the beginning of the period and is proportional to time interval.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

Question # 1

Wh Geiger counter is not suitable for fast counting?

  • Ans 1: Geiger counter is not suitable for fast counting because of its longer dead time.The positive ions take several time as long to reach the outer cathode,because positive ions are very massive than the electrons.During this time further incoming particle can not be counted,This time is called as the dead time of counter which delays fast counting system.
Submit

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