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Quantum numbers, orbitals, nodes, electronic configuration
JEE Main level
Single correct option
Difficulty 2 of 3
as137
An electron has orbital angular momentum
12
ℏ
and
n
=
5
. The number of radial nodes in its orbital is
A
3
B
0
C
2
D
1
Answer: D
l
(
l
+
1
)
=
12
gives
l
=
3
. Radial nodes
=
5
−
3
−
1
=
1
.
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