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CBSE XII
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Physics
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Dual nature of radiation and matter
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Q)
A neutron beam of energy E scatters from atoms on a surface with a spacing
d
=
0.1
n
m
. The first maximum of initially in the reflected beam occurs at
θ
=
30
∘
. What is the kinetic energy E of the beam in eV?
0.082
k
e
v
0.082
m
e
v
0.082
e
v
0.082
G
e
v
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