Q.
The number of spectral lines that can be possible when electrons in 6th shell in hydrogen atom return to the 2nd shell
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a
12
b
15
c
14
d
10
answer is D.
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Detailed Solution
No. of spectral lines for transition from 6th to 2nd shell are=n2−n1 n2−n1+1 2=6−2 6−2+12=10
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