Calculate the wavelength and frequency of photon of energy 16eV.
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Answer:
We know that,
E=h⋅v
v=
h
E
(1eV=1.602×10
−12
erg)
=
6.62×10
−27
3×(1.602×10
−12
)
=7.26×10
14
s
−1
=7.26×10
14
Hz
λ=
v
c
=
7.26×10
14
3×10
10
=4.132×10
−5
cm
v
ˉ
=
λ
1
=
4.132×10
−5
1
=2.42×10
4
cm
−1
.
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