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A hydrogen atom is in an exited state of...

A hydrogen atom is in an exited state of principal quantum number n it emits a photon of wavelength `lambda` when returns to the ground state The value of n is

A

`sqrt(lambdaR(lambdaR-1))`

B

`sqrt(((lambdaR-1))/(lambdaR))`

C

`sqrt((lambdaR)/(lambdaR-1))`

D

`sqrt(lambda(R-1))`

Text Solution

Verified by Experts

The correct Answer is:
C
`(hc)/(lambda)=Rhc(1-(1)/(n^(2)))`
`n=sqrt((lambdaR)/(lambdaR-1))`
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