A piece of blue glass heated to a high temperature and a piece of red glass at room temperature, are taken inside a dimly lit room then
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Verified by ExpertsThe correct answer is:
C
When blue glass is heated at high temperature, it absorbs all the radiation of, higher wavelength except blue. If it is taken inside a dark room, it emits all the radiation of higher wavelength, hence it looks brighter red as compared to the red piece.
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