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The ionisation potential of hydrogen ato...

The ionisation potential of hydrogen atom is 13.6 eV . The energy required to remove an electron in the n=2 state of hydrogen atom is

A

27.2 ev

B

13.6 ev

C

6.8 eV

D

3.4 eV

Text Solution

Verified by Experts

The correct Answer is:
D
`E_(2)=-13.6/(2^(2)) =-13.6/4=-3.4e V`.
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