The ratio of longest wavelength and the shortest wavelength observed in the five spectral series of emission spectrum of hydrogen is
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a
43
b
523376
c
25
d
90011
answer is D.
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Detailed Solution
Shortest wavelength comes from n1=∞ to n2=1 and longest wavelength comes from n1=6 to n2=5 in the given case. Hence 1λmin=R 112-1∞2=R 1λmax=R 152-162=R 36-2525×36=11900R∴λmaxλmin=90011