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![[Post New]](/templates/default/images/icon_minipost_new.gif) 19 Jul 2007 20:56:47 IST
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fo question 2)
part a)
E=(21.7 X 10^-12) / 4
=5.42 X 10^ -12
part b)
5.42 X 10^ -12 = hc/lembda
where h = 6.6 X 10 ^ -27 and c =3 X 10^8
on substitutung values in this we get lembda =3.65 X 10 ^ -5 cms
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I WAS BORN INTELLIGENT!!!!!!!
EDUCATION RUINED ME
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