12th class Physics chapter 21 online mcq test with answers for ICS part 2 Physics Chapter 21 (Nuclear Physics)

2nd Year Physics Chapter 21 Online MCQ Test for 12th Class Physics Chapter 21 (Nuclear Physics)

This online test contains MCQs about following topics:

- Atomic Nucleus
- Mass Defect and Binding Energy
- Radioactivity
- Half Life
- Interaction of Radiation With Matter
- Radiation Detectors
- Nuclear Reactions
- Nuclear Fission
- Fusion Reaction
- Radiation Exposure
- Biological Effects of Radiation
- Biological and Medical Uses of Radiation
- Basic Forces of Nature
- Building Blocks of Matter

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Ics Part 2 Physics Chapter 21 Test

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ICS Part 1 English Medium Subjects

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2nd Year Physics Chapter 21 Online MCQ Test for 12th Class Physics Chapter 21 (Nuclear Physics)

Sr. #	Questions	Answers Choice
1	A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:	A. 6 months B. 8 months C. 12 months D. 16 months
2	Curie is unit of.	A. Conductivity B. Binding energy C. <div>Radioactivity</div> D. Resistivity
3	Before and after nuclear reaction the number of protons and neutrons:	A. Must be different  B. Must be decreased C. Must be increased D. Remains same
4	The particles equal in mass but greater than proton are.	A. Mesons B. Baryons C. Leptons D. Hadrons
5	1 gray is equal to.	A. 1 JKg-1 B. 1KgJ-1 C. 1JKg D. 1 JKg-2
6	Marie Curie and Pierre Curie discovered.	A. Uranium B. Uranium and Radium C. Polonium and radium D. Radium
7	The quantity of U in the naturally occurring uranium is.	A. 0.2% B. 0.3% C. 0.7% D. 0.4%
8	X -rays are similar in nature to.	A. Gama rays B. Beta rays C. Alpha rays D. Cathode rays
9	Binding energy per nucleon is maximum for	A. Platinum B. Iron C. Uranium D. Lead
10	Controlling rods inserted into the reactor are of metal:	A. Aluminium B. Cadmium C. Magnesium  D. Copper

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