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Atomic hydrogen is excited to the n^(th)...

Atomic hydrogen is excited to the `n^(th)` energy level . The maximum number of spectral lines which it can emit while returning to ground state, is:

A

`(n(n+1))/(2)`

B

`(n(n-1))/(2)`

C

`(n(n-1)^(2))/(2)`

D

`(n(n+1)^(2))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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