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If the first excitation potential of a h...

If the first excitation potential of a hypothetical hydrogen like atom is 15 V, then the third excitation potential of the atom is

A

10.2 V

B

12 V

C

14 V

D

16 V

Text Solution

Verified by Experts

The correct Answer is:
B
IP` = 13.6 Z^2 = 16` (given)
`1^(st)` excitation potential `= 13.6 xx 3/4 xx Z^2`
`= 16 xx 3/4 = 12 V`
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