Question

Calculate the wavelength and frequency of photon of energy 16eV.

Answer 1

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

.