The largest wavelength in the ultraviolet region of the hydrogen spectrum is 122 nm. The smallest wavelength in the infrared region of the hydrogen spectrum (to the nearest integer) is
Text Solution
Verified by ExpertsThe correct answer is:
B
The series in UV region is Lyman series. Longest wavelength corresponds to minimum energy which occurs in transition from 
to 
.
…… ..(i)
The smallest wavelength in the infrared region corresponds to maximum energy of Paschen series i.e, 
and 
……… (ii)
from Eqs. (i) and (ii), 
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