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The wave number of the H(a)-line in Balm...

The wave number of the `H_(a)-`line in Balmer series of hydrogen spectrum is

A

`5R//36`

B

`3R//16`

C

`21R//100`

D

`3R//4`

Text Solution

Verified by Experts

The correct Answer is:
A
`bar(v) = (1)/(lambda) = R [ (1)/(n_(1)^(2))- (1)/(n_(2)^(2))]`
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