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12th Class Physics
Short Questions Preparation
Start Chapter 21 Preparation
12th Class Physics Chapter Wise Preparation
Online Short Questions For Chapter 10 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "
Try The Short Questions For ICS Part 2 Physics Chapter 21 Short Questions Preparation
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Total Questions10
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Available Sets5
Physics - ICS Part 2 Physics Chapter 21 Short Questions Preparation
Question # 1
What do you mean by critical mass and critical volume?
- Ans 1: The mass of uranium in which one neutron out of all neutron out of all neutron produced in one fission reaction produces further fission reaction is called critical mass.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 1
Question # 1
What do you mean by critical mass and critical volume?
- Ans 1: The mass of uranium in which one neutron out of all neutron out of all neutron produced in one fission reaction produces further fission reaction is called critical mass.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 2
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.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3
Question # 1
How energy released when 1 amu converted into energy?
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Ans 1: 1 amu= 1.66 x10-27kgthe energy of 1 amu is 1 amu =1.494 x10-10J1 amu= 931 MeV
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4
Question # 1
What are isotopes?What do you have in common?
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Ans 1: Isotopes are such nuclei of an element that have the same charge number Z but have different mass number A.It means ,in the nucleus the number of protons is the same but the number of neutrons is different.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5
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.
