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A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x. dimction. Assume thatall photons emitted due to electron transitions inside the gas emerge in the y-diiection. LetA and B denote the lights emerging from the gas in the x- and y-directions respectively. Then,A. some of the incident wavelengths willbe absent in AB. only those wavelengths will be present in B which are absent in AC. B will contain some visible lightD. B will contain some visible light |
| Answer» Correct Answer - ACD | |