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Byju's Answer
Standard XII
Physics
Work Function
The ratio of ...
Question
The ratio of de-broglic wavelength of an
α
particle and a proton of same
K
.
E
is
A
1
:
2
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B
1
:
1
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C
1
:
√
2
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D
4
:
1
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Solution
The correct option is
A
1
:
2
De Broglie wavelength in terms of KE
λ
=
h
√
2
m
K
.
E
{
m
α
=
4
m
p
}
λ
α
:
λ
p
h
√
2
×
4
m
p
×
K
E
:
h
√
2
×
m
p
×
K
E
1
:
2
.
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