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

How can radioactivity help in the treatment of cancer?

  • Ans 1: It helps in treatment of cancer:
    1. Cobalt-60 is used in radiotherapy.
    2. For skin cancer ,phosphorus -32 or strontium-9 is used.
    3. Radioactive iodine-131 is used to cure cancer of thyroid gland.
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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

How can radioactivity help in the treatment of cancer?

  • Ans 1: It helps in treatment of cancer:
    1. Cobalt-60 is used in radiotherapy.
    2. For skin cancer ,phosphorus -32 or strontium-9 is used.
    3. Radioactive iodine-131 is used to cure cancer of thyroid gland.
Submit

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

Question # 1

What is radioactivity decay?Give an example.

  • Ans 1: The emission of radiations from elements having charge number Z greater than 82 is called radioactivity or radioactive decay.
    The emission of an a-particle from radium-226 ,result in the formation of radon gas.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

Protons and neutron are formed by what types of quarks?

  • Ans 1: Protons is formed by two up and one down quarks.Neutron is formed by two down and one up quarks.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

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 5

Question # 1

What is self-quenching in Geiger Muller Counter?

  • Ans 1: A small amount of gas is added into the GM counter is called self quenching or internal quenching,In GM counter the phenomena of quenching is to save the counter from spurious or false counts.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation

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