find energy of a photon in joul if lamda is 200 nano meter
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Answer:
We know,
E (Energy of Photon) = hc/ λ
= 6.63 x 10-34 x 3.0 x 10 8/ 200 x 10-9
= 9.94 x 10-19 joules.
Energy of one mole of Photons = 6.022 x 1023 x 9.94 x 10-19
Explanation:
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