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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
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 1
Question # 1
How energy released when 1 amu converted into energy?
-
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 2
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.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3
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 4
Question # 1
What are thermal reactors?
- Ans 1: The thermal reactors are called thermal reactors because the neutrons must be slowed down to thermal energies to produce further fission,They use natural uranium or slightly enriched uranium as fuel.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5
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.
