In the spectrum of hydrogen, the ratio of the longest wavelength in the lyman series to the longest wavelength in Balmer series is
A. 9/4
B. 27/5
C. 5/27
D. 4/9
Answer:C
In the spectrum of hydrogen, the ratio of the longest wavelength in the lyman series to the longest wavelength in Balmer series is
A. 9/4 B. 27/5 C. 5/27 D. 4/9