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AIEEE 2006 Solved Paper
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© examsnet.com
Question : 3
Total: 143
According to Bohr's theory, the angular momentum of an electron in
5
th
orbit is
10
h
/
π
2.5
h
/
π
25
h
/
π
1.0
h
/
π
Validate
Solution:
Formula of angular momentum of an electron,
m
v
r
=
n
h
2
π
here
n
=
5
∴
m
v
r
=
5
h
2
π
=
2.5
h
π
© examsnet.com
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