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Standard XII
Physics
Question
Atomic hydrogen is excited to the nth energy level.The maximum number of spectral lines which it can emit while returing to the ground state, is
1
2
n
(
n
+
1
)
1
2
n
(
n
−
1
)
n
(
n
−
1
)
n
(
n
+
1
)
A
1
2
n
(
n
−
1
)
B
1
2
n
(
n
+
1
)
C
n
(
n
−
1
)
D
n
(
n
+
1
)
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Solution
Verified by Toppr
Maximum no of spectral lines
=
n
(
n
−
1
)
2
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