The images below show the wavelengths $($in nanometers$)$ of the four visible lines $($top i observed in the Balmer series and the transitions responsible for the lines in the Hydrogen spectrum.

$($a$)$ Assign each line to its corresponding transition. Example: XXX $nm$ : from energy energy level $z,$ etc.

$\backslash$table$[[$Lines$,$Wavelength,Transitions$],[$Red$,655,],[$Blue$-$green,$489,],[$Blue$,,],[$Violet$,,]]$

$100$