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Byju's Answer
Standard XII
Physics
Angular Analogue of Linear Momentum
The angular m...
Question
The angular momentum of electron in an excited H-atom is
h
π
. The P.E of electron will be
A
6.8
e
V
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B
3.4
e
V
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C
−
6.8
e
V
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D
−
4.3
e
V
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Solution
The correct option is
D
−
6.8
e
V
We know,
P
E
=
−
27.2
1
n
2
e
V
And given, angular momentum
=
h
π
Comparing with general Equation
=
n
h
2
π
n
=
2
P
E
=
−
27.2
4
=
−
6.8
e
V
Option
C
is the correct answer
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