Q
Pfund series are produced in the spectrum of hydrogen atom__________________?
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A
A. When electrons jump down to 2nd- orbit
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B
B. When electrons jump down to 3rd- orbit
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C
C. When electrons jump down to 4th- orbit
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D
D. When electrons jump down to 5th- orbit
Correct Answer:
D. D. When electrons jump down to 5th- orbit
