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The wavelength of certain line in H-atom...

The wavelength of certain line in H-atom spectra is observed to be `4341Å. (R_(H)= 109677cm^(-1))`. The value of quantum number of higher state is:

A

3

B

4

C

5

D

data insufficient

Text Solution

Verified by Experts

The correct Answer is:
C
`4341Å`: Visible region in H – atom (Balmer series `n_(1)=2`)
`-(1)/(lambda)-RZ^(2)((1)/(n_(1)^(2))-(1)/(n_(2)^(2)))" "(1)/(4341xx10^(-8))=109677xx1^(2)xx((1)/(2^(2))-(1)/(n^(2))),-n_(2)=5`
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