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The energy (in W) required to excite an ...

The energy (in W) required to excite an electron from n = 2 to n = 4 state in hydrogen atom

A

`+2.55`

B

-3.4

C

`+4.25`

D

`-0.85`

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Verified by Experts

The correct Answer is:
A
In hydrogen atom, the errrgy required to excite an electron from n = 2 to n = 4 state,
`E_(4)- E_(2)= -(13.6)/(4^(2))- (-13.6)/(2^(2))= -0.85+ 3.4= 2.55 eV`
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