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CALCULATE THE ENERGY OF A LIGHT OF WAVELENGTH 400nm
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Answer:
Energy of incident photons =
λ
hc
=
400
1240
eV
=3.1eV
=4.96∗10
−19
J
Hence the frequency of incident photons is, ν=
Energy
Power
=
4.96∗10
−19
1.55∗10
−3
=3.125∗10
15
Hz
Hence the photocurrent =eν=50∗10
−6
A=50μA
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