Question

define nuclear fission and fusion.

Answer 1

Nuclear Fission

Fission is the splitting of a large atom into two or more smaller ones.

Nuclear Fusion

Fusion is the fusing of two or more lighter atoms into a larger one.

Answer 2

⏺heya friend !

✔here's your answer :-

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➡NUCLEAR FISSION :-
⚫ it is the process in which a heavy nucleus is splitted into two light nuclei nearly of the same size by bombarding it with slow neutrons.
⚫in this process, tremendous amount of energy is released.

➡NUCLEAR FUSION :-
⚫it is the process in which two light nuclei combine to form a heavy nucleus .
⚫in this process also , huge amount of energy is released.

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i hope it helps u !!!☺