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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

Define background radiations.What are their sources?

  • Ans 1: When no radioactive source is placed near the radiations detector,it records radiations,These radiations are called background radiations.
    Its source are
    1. The cosmic rays which come to us from outer space.
    2. Radioactive substance present is the Earth's crest.
    3. Radioactive potassium and carbon in the body.
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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

Define background radiations.What are their sources?

  • Ans 1: When no radioactive source is placed near the radiations detector,it records radiations,These radiations are called background radiations.
    Its source are
    1. The cosmic rays which come to us from outer space.
    2. Radioactive substance present is the Earth's crest.
    3. Radioactive potassium and carbon in the body.
Submit

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

Question # 1

Describe a brief account of interaction of various types of radiations with matter.

  • Ans 1:
    1. An a particle has well defined range in a medium ,before coming to rest which is called range if a-particle.
    2. It lose its energy due to excitation and ionization of atoms and molecules in matter.
  • Ans 2: b-particle:
    1. The ionizing ability of b particles is about 100 times less than that of a alpha particle.
    2. The range of b particle is 100 times more than that of a- particle.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

What factor make a Fusion reaction difficult to achieve?

  • Ans 1: A fusion reaction requires large energy and temperature ,up to million degrees centigrades,So a fusion reaction is difficult to achieve.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

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 5

Question # 1

Describe a brief account of interaction of various types of radiations with matter.

  • Ans 1:
    1. An a particle has well defined range in a medium ,before coming to rest which is called range if a-particle.
    2. It lose its energy due to excitation and ionization of atoms and molecules in matter.
  • Ans 2: b-particle:
    1. The ionizing ability of b particles is about 100 times less than that of a alpha particle.
    2. The range of b particle is 100 times more than that of a- particle.
Submit