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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
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.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 1
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.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 2
Question # 1
Define mass defect and binding energy.
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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.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3
Question # 1
Write names of hydrogen isotopes.
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Ans 1: Three isotopes of hydrogen are:
- Protium
- Deuterium
- Tritium
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4
Question # 1
What is half line?
- Ans 1: The half line T1/2of a radioactive elements is that period in which half of the atoms decay.
ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5
Question # 1
What are isotopes?What do they have common and what are their difference.
- 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.
