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Atomic Structure
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de Broglie wavelength and uncertainty principle
NEET level
Single correct option
Difficulty 1 of 3
as115
A particle of mass
m
has kinetic energy
K
. Its de Broglie wavelength is
A
K
h
2
m
B
2
m
K
h
C
2
m
K
h
D
h
2
m
K
Answer: B
K
=
p
2
/2
m
gives
p
=
2
m
K
. Then
λ
=
h
/
p
=
h
/
2
m
K
.
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