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

Briefly give the use of (a)Wilson cloud chamber (b)G.M counter.

Ans 1: Wilson Cloud Chamber:It provides information about the change in mass and energy of radiating particles.
G.M Counter:It is used to determine the range and penetrating power of ionizing particles.

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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 1

Question # 1

Briefly give the use of (a)Wilson cloud chamber (b)G.M counter.

Ans 1: Wilson Cloud Chamber:It provides information about the change in mass and energy of radiating particles.
G.M Counter:It is used to determine the range and penetrating power of ionizing particles.

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

Question # 1

What is half line?

Ans 1: The half line T_1/2of a radioactive elements is that period in which half of the atoms decay.

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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

What is meant by dose of radiation?What is its SI units?

Ans 1: Radiation dose is a measure of the amount of exposure to radiation.There are three kinds of dose:
1. Absorbed dose: it is the amount of energy deposited by radiation in a mass.
D=E/m its SI unit is Gy.
2.Equivalent dose: It is calculated for individual organ
D_e=D*RBE
3.Effective dose: It is calculated for the whole body,It is also measured ni Sv.

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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

Question # 1

What is the function of control rods in nuclear reactor?

Ans 1: Controls rods made of Cadmium or Boron are used for the control of number of neutrons,so that of all the neutrons produced in fission ,only one neutrons produces further fission reaction.
In case of emergency or for repair purpose control rods are used to stop the chain reaction and shut down the reactor.

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ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

Question # 1

Define fission and fusion reaction.

Ans 1: Fission: Such a reaction in which a heavy nucleus like that of uranium splits up into two nuclei of roughly equal size along with the emission of energy is called fission reaction.
Ans 2: Fusion: A reaction in which two light of nuclei merge to form a heavy nucleus is called fusion reaction.It requires very high temperature.

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ICS Part 2 Physics Chapter 21 Short Questions Preparation

12th Class PhysicsShort Questions Preparation

12th Class Physics Chapter Wise Preparation

Online Short Questions For Chapter 10 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "

Physics - ICS Part 2 Physics Chapter 21 Short Questions Preparation

Briefly give the use of (a)Wilson cloud chamber (b)G.M counter.

Why moderators are used in the core of nuclear reactor?

Differentiate between parent and daughter element.

What do you understand by "background radiation "?State two source of this radiation?

How can radioactivity help in the treatment of cancer?

What are isotopes?What do they have common and what are their difference.

How energy released when 1 amu converted into energy?

Write names of hydrogen isotopes.

What factor make a Fusion reaction difficult to achieve?

How alpha and beta may ionize an atom without directly hitting the electrons?

Prepare Complete Set Wise Questions For Chapter 10 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "

Set 1

Set 2

Set 3

Set 4

Set 5

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 1

Briefly give the use of (a)Wilson cloud chamber (b)G.M counter.

Why moderators are used in the core of nuclear reactor?

Differentiate between parent and daughter element.

What do you understand by "background radiation "?State two source of this radiation?

How can radioactivity help in the treatment of cancer?

What are isotopes?What do they have common and what are their difference.

How energy released when 1 amu converted into energy?

Write names of hydrogen isotopes.

What factor make a Fusion reaction difficult to achieve?

How alpha and beta may ionize an atom without directly hitting the electrons?

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

What is half line?

Differentiate between controlled and uncontrolled reaction.

Wh Geiger counter is not suitable for fast counting?

How can radioactivity help in the treatment of cancer?

What do you mean by critical mass and critical volume?

What factor make a Fusion reaction difficult to achieve?

What do you know about Radioactivity?

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

Why moderators are used in the core of nuclear reactor?

Discuss the advantages of fission power from point of view of safety,pollution and resources.

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

What is meant by dose of radiation?What is its SI units?

Differentiate between parent and daughter element.

What are the relation between decay constantλand the half-line of a radioactive element?

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

Define half-line of radioactive element.How is it related with decay constant?

Define absorbed dose and Gray.

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

Define fission and fusion reaction.

Distinguished between nuclear fission and nuclear fusion.

Why moderators are used in the core of nuclear reactor?

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

What is the function of control rods in nuclear reactor?

Write names of hydrogen isotopes.

Define background radiations.What are their sources?

Define fission and fusion reaction.

How alpha and beta may ionize an atom without directly hitting the electrons?

Define decay constant.

What is self-quenching in Geiger Muller Counter?

What are isotopes?What do they have common and what are their difference.

Briefly give the use of (a)Wilson cloud chamber (b)G.M counter.

What are thermal reactors?

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

Define fission and fusion reaction.

What do you mean by quark?

Define decay constant.

Define mass defect and binding energy.

What is meant by dose of radiation?What is its SI units?

Define nuclear fission.

Describe the principle of operation of solid state detector.

12th Class Physics
Short Questions Preparation