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The equation corresponding to the wave n...

The equation corresponding to the wave number of spectral lines in Pfund series is

A

`R[(1)/(4^(2))-(1)/(5^(2))]`

B

`R[(1)/(3^(2))-(1)/(4^(2))]`

C

`R[(1)/(2^(2))-(1)/(3^(2))]`

D

`R[(1)/(5^(2))-(1)/(6^(2))]`

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The correct Answer is:
D
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