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The wavelength of yellow line of sodium ...

The wavelength of yellow line of sodium is `5896 Å`. Its wave number will be

A

`50883 xx 10^(10)` per second

B

`16961` per `cm`

C

`17581` per `cm`

D

`50883` per `cm`

Text Solution

Verified by Experts

The correct Answer is:
B

Wave number `bar(v) = (1)/(lambda) = (1)/(5896 xx 10^(-8)) = 16961` per m
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