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Which of the following is the energy of...

Which of the following is the energy of a possible excited state of hydrogen?

A

`- 3.4 eV`

B

`+6.8 eV`

C

`+13.6 eV`

D

`-6.8 eV`

Text Solution

Verified by Experts

The correct Answer is:
A
For first excited state of hydrogen `(n = 2)`
Energy `= (-13.6)/(n^2) eV = (-13.6)/((2)^(2)) = -3.4 eV`.
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