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![[Post New]](/templates/default/images/icon_minipost_new.gif) 29 Feb 2008 11:22:51 IST
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the answer seems to be b)
because Hg2I2 would appear red only if it emits red photons
now it is given that it absorbs red photons hence it would emit them when it falls from the excited state
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Impossible To be Impossible is Impossible |
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