The ratio of wavelength of spectral lines H α and H β in the Balmer series is x/20. The value of x is _ _ _ _ _.

Atoms and Nuclei: JEE Main 2023 Physics question

JEE Main 2023 · 8 Apr, Evening shift · Q55

JEE Main 20238 Apr, Evening shiftPhysicsMediumAtoms and Nuclei183× since 2002

The ratio of wavelength of spectral lines

\mathrm{H}_{\alpha}

and

\mathrm{H}_{\beta}

in the Balmer series is

\frac{x}{20}

. The value of

x

is _________.

Your answerType your answer. Integers and decimals are accepted.