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If Einstein E is total energy absorbed by 1 mole of a substance and that each molecule absorbs 1 quantum of energy, then calculate the value of E in terms of λ in cm.
Hi Ankur,
E1 = hc/λ ------ energy absorbed by one molecule
E = Nhc/λ -------energy absorbed by one mole
N =6.023* 10^23
h= 6.625*10^-34 J-sec
c = 3 * 10^10 cm/sec
λ in cm
E = 3.99/(λ in cm) J
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