When the electrons of a sample of hydrogen atoms jump from the 4th orbit to the ground state, the maximum number of spectral lines observed is:
A
15
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B
6
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C
3
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D
4
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Solution
The correct option is B6 Maximum number of spectral lines (N) corresponding to the transition from n1=4 to n2=1 are: N= number of lines emitted =12(n1−n2)(n1−n2+1) =12×3(3+1)=6