Jee Main
Atoms And Nuclei
JEE Main 2023 (Online) 8th April Evening Shift
INTEGER+4 / -12023
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 _________.