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

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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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

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 2

Question # 1

Define mass defect and binding energy.

  • Ans 1: Mass defect: The mass of the nucleus is always less than the total mass of the protons and neutrons that make up the nucleus,The difference of the two masses is called mass defect.
    Binding energy:The missing mass is converted into energy at the formation of the nucleus and is called binding energy.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

Differentiate between parent and daughter element.

  • Ans 1: The change of an element into a new element due to emission of radiation is called radioactive decay.The original atom is called parent element and the element formed due to this decay is called daughter element.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

Question # 1

What is radioactive tracer?Give its one application each in industry and medicine.

  • Ans 1: Radioactive tracer is a radioactive isotope which acts as an indicator or tracer that makes it possible to follow the course of a chemical or biological process.They are used in
    1. Medicine to detect malignant tumors
    2. Agriculture to study the uptake of a fertilizer by a plant.
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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

Question # 1

Write name of different quarks.

  • Ans 1: The name of different quarks are as follows
    Up,Down-Strange ,Charm,Top,Bottom
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ICS Part 2 Physics Chapter 21 Short Questions Preparation