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Class 12 Physics (Part Ii) Chapter 13 Nuclei Quiz 2 (25 MCQs)

Quiz Instructions

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1. Sun's radiant energy is due to:
2. Which particles in the atom exhibit the strong nuclear force?
3. What is radioactive decay?
4. Strongest force in nature is
5. Radius of a nucleus of mass number A is given by (R$_{o}$ is a constant)
6. Why do larger nuclei require more neutrons?
7. The rate at which nuclear decay takes place is called:
8. When making mRNA, thymine always pairs with:
9. What is the significance of alpha decay in large nuclei?
10. If A is the mass number, radius of a nucleus is
11. What type of nuclear reaction occurs in the Sun?
12. Radiation is emitted from:
13. At what distance does the strong nuclear force become a repulsive force?
14. The helium atom does not contain:
15. What do we call a nitrogen base bonded to a deoxyribose sugar?
16. The nuclear force is
17. What particle is considered a tiny piece of antimatter?
18. How many electrons are contained in $^{238}$$_{92}$U nucleus?
19. An atom of mass number 24 consists of
20. Charged particles and energy that are emitted from the nuclei of radioisotopes.
21. Is the process in which an unstable atomic nucleus emits charged particles and energy
22. Any atom containing an unstable nucleus is called
23. An alpha particle consists of:
24. Who proposed the existence of neutrinos?
25. Gamma radiation is:
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