What will be the ratio of wavelength of 3rd line at Paschen Series to 2nd line of Balmer series of H-atom? (A) $\frac{9}{4}$ (B) $\frac{3}{2}$ (C) $\frac{2}{3}$ (D) $\frac{16}{4}$
What will be the ratio of wavelength of 3rd line at Paschen Series to 2nd line of Balmer series of H-atom?
(A) $\frac{9}{4}$
(B) $\frac{3}{2}$
(C) $\frac{2}{3}$
(D) $\frac{16}{4}$