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Byju's Answer
Standard XII
Physics
Work Function
The wavelengt...
Question
The wavelength associated with a photon of energy 3.31 eV is nearly
A
4000
A
o
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B
3750
A
o
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C
5000
A
o
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D
400
A
o
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Solution
The correct option is
B
3750
A
o
E
n
e
r
g
y
=
h
c
λ
λ
=
h
c
e
n
e
r
g
y
=
1240
3.31
(
h
c
=
1240
e
V
)
=
375
n
m
=
3750
A
o
So, the answer is option (B).
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