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Nuclear Fission

The combinati...

Question

The combination of two lighter nuclei to produce a heavier nucleus is called:

A

Nuclear fission

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B

Nuclear fusion

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C

Gamma decay

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D

Beta decay

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Solution

The correct option is B Nuclear fusion
Nuclear fusion is the process which involves the combination of two nuclei of lower mass to produce a heavier nucleus, and the difference in mass between the reactants and products is released as a huge amount of nuclear energy.

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Q. Fill in the following blank with suitable words:

(a) Splitting of a heavy nucleus into two lighter nuclei is called ........
(b) Uranium-235 atoms will split when hit by .......... This is called ...........
(c) Nuclear .......... is used in nuclear power stations for the production of electricity.
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Q. During a nuclear fission reaction,
(a) a heavy nucleus breaks into two fragments by itself a light nucleus bombarded by thermal neutrons breaks up
(b) a light nucleus bombarded by thermal neutrons breaks up
(c) a heavy nucleus bombarded by thermal neutrons breaks up
(d) two light nuclei combine to give a heavier nucleus and possible other products.

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