A. 2 x 10-15J
B. 1.7 x 10 -13J
C. 2.0 x 10 -12J
D. 1.7 x 10 -12J
Correct Answer:
Option A – 2 x 10-15J
Explanation
E = hc/λ
E = 2 x 10-15J
The energy of a photo having a wavelength of 10^-10m is (h= 6.63 x 10^-34Js, c =3.0 x 10^8ms-1)
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