The number of spectral lines produced when an electron jumps from `5^(th)` orbit to `2^(nd)` orbit in the hydrogen atom is.

Total number of spectral lines when electron jumps from 8^( th ) orbit to 2^( nd ) orbit

Total number of spectral lines when electron jumps from 8^(th) orbit to 2^(nd) orbit

Number of spectral lines in Balmer series when an electron retrurn from 7 ^(th ) orbit to 1 ^(st) orbit of hydrogen atom are

Number of spectral lines in Balmer series when an electron retrurn from 7 ^(th ) orbit to 1 ^(st) orbit of hydrogen atom are

The total number of spectral lines obtained when an electron jumps, from n = 5 to n =1 in a sample of hydrogen atoms.

The total number of spectral lines obtained when an electron jumps, from n = 5 to n =1 in a sample of hydrogen atoms.

Total number of spectral lines emitted when an electron jumps from n=5 to n=1 in hydrogen atom is

When an electron falls from 4th orbit to 2nd orbit in hydrogen atom, the spectral line is observed in