What is the minimum energy that must be ...

What is the minimum energy that must be given to a H atom in ground state so that it can emit an `H gamma` line in Balmer series. If the angular momentum of the system is conserved, what would be the angular momentum of such `H gamma` photon ?

A

`10.2eV`

B

`12.1eV`

C

`13.06eV`

D

`13.6eV`

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The correct Answer is:

C

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