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

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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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

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 2

Question # 1

Define Hadrons and Leptons.

  • Ans 1: Hadrons: These are not elementary particle,They are composed of other elementary particle called quarks.The example of hadrons are protons,neutrons,mesons etc,They experience strong nuclear force.
    Laptons: The are elementary particles.They do not experience strong nuclear force,The example of laptons are electrons .muons and neutrinos etc.
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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: A solid state detector is a specially designed p-n junction operating under a reversed bias in which electron-hole pairs are produced by the incident radiation to cause a current pulse to flow through the external circuit.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

Question # 1

Discuss the advantage and disadvantage of nuclear power compare to the use of fossil fuel generated power.

  • Ans 1: Advantage and disadvantage of nuclear power are given below compared to the use of fossil generated power.
    Advantage:
    1. Much more energy is produced.
    2. Produces no environmental pollution.
    3. Electricity produced in this way is far cheaper than fossil fuel generated power.
    Disadvantage :
    1. Uranium mining is more dangerous than coal mining.
    2. Nuclear waster is very injurous and harmful to living things.
    3. Nuclear waste can not be transported through area of population whereas fossil fuel can be.
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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.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation

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