For the same transition $n=3\to n=2$, the ratio of the wavelength emitted by $\mathrm{He}{}^{+}$ to that emitted by hydrogen is

More questions on Hydrogen spectrum and spectral series

• Use R_H = 1.097x10^7 m^-1. The wavelength of the first line (longest wavelength) of the Lyman series of hydrogen is JEE Main level
• The ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series of hydrogen is JEE Main level
• A large number of hydrogen atoms are excited to the n=5 level. How many of the emitted lines belong to the Balmer series? JEE Main level
• Which transition in He+ emits radiation of the same wavelength as the n=2-> n=1 line of hydrogen? JEE Main level
• Use R_H = 1.097x10^7 m^-1. The shortest wavelength in the Paschen series of hydrogen is nearest to JEE Main level
• Use R_H = 1.097x10^7 m^-1. Calculate the wavelength, in nm (nearest integer), of the hydrogen line produced by the transition n=4-> n=2. JEE Main level