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Question

A photon of wavelength 300 nm is absorbed by a gas and then reemitted as two photons. One photon is red with wavelength of 760 nm. The wave number of second photon will be


A

2.02 × 106 m-1

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B

3.02 × 106 m-1

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C

1.02 × 106 m-1

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D

3.2 × 106 m-1

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