ICS Part 2 Physics Chapter 21 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Physics - ICS Part 2 Physics Chapter 21 Short Questions Preparation

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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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 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

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

Question # 1

Name the basic forces of nature.

  • Ans 1: The basic forces of nature are
    1. Gravitational force
    2. Electromagnetic force
    3. Weak nuclear force
    4. Strong nuclear force
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

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 4

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 - Set 5

Question # 1

How energy released when 1 amu converted into energy?

  • Ans 1: 1 amu= 1.66 x10-27kg

    the energy of 1 amu is 1 amu =1.494 x10-10J
    1 amu= 931 MeV
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ICS Part 2 Physics Chapter 21 Short Questions Preparation

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