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Byju's Answer
Standard XII
Physics
Nuclear Force
The de-Brogli...
Question
The de-BrogliAe wavelength
(
in
A
∘
)
associated with electron in the
3
r
d
orbit of
H
e
+
ion is (approx)
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Solution
λ
=
h
m
v
v
=
2.18
×
10
6
×
2
3
m
/
s
λ
=
6.626
×
10
−
34
×
3
2.18
×
2
×
10
6
×
9.1
×
10
−
31
=
5.01
×
10
−
10
m
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