A gas absorbs a photon of 355 nm and em...

A gas absorbs a photon of ` 355 nm` and emits at two wavelengths . If one of the emission is at ` 6 80` nm , the other is at :

`1035 nm`

`325 nm`

`743 nm`

`518 nm`

Text Solution

Verified by Experts

The correct Answer is:

`E=E_(1)+E_(2)`
`(hc)/lambda=(hc)/lambda_(1)+(hc)/lambda_(2)rArr " "1/lambda=1/lambda_(1)+1/lambda_(2)rArr " " 1/355=1/680+1/lambda_(2)`
`lambda_(2)=742.76 nm`

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