Question

When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom [NCERT Exemplar]
(a) do not change for any type of radioactivity.
(b) change for α and β radioactivity but not for γ-radioactivity.
(c) change for α-radioactivity but not for others.
(d) change for β-radioactivity but not for others.

Answer 1

Option a is ur answer.....

Answer 2

Ur ans is.........

Option ( A )..........

Hope it helps you.......

Then mark as brainlist.......