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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 :

A

`743nm`

B

`518nm`

C

`1035nm`

D

`325nm`

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The correct Answer is:
A
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