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When a nucleus in an atom undergoes a ra...

When a nucleus in an atom undergoes a radioactive decay the electronic energy levels of the atom

A

Do not change for any type of radioactivity

B

Change for `alpha and beta` radioactivity but not for `gamma` -radioactivity.

C

Change for - radioactivity but not for others.

D

Change for radioactivity but not for others.

Text Solution

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The correct Answer is:
B
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