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CBSE XII
>>
Physics
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Dual nature of radiation and matter
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Q)
An electron and a photon each have a wave length of
1.00
n
m
calculate the kinetic energy of the electron .given
h
=
6.63
×
10
−
34
J
s
,
m
e
=
9
×
10
−
31
k
g
1.52
e
v
1.52
k
e
v
1.52
m
e
v
1.52
M
e
v
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