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[" 22.A gas absorbs a photon of "300" nm...

[" 22.A gas absorbs a photon of "300" nm and then re-emitts two photons.One photon has a "],[" wavelength "600" nm.The wavelength of second photon is "-],[[" (A) "300nm," (B) "400nm," (C) "500nm," U ",600nm],[" wo porticles it will be - "," (B) "]]

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