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

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

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

The angular momentum of electron in a Bohr orbit of "H" atom is (3h/ pi) What is the wave number in multiples of rydberg constant , R_(H) of the spectral line when an electron jumps from this orbit to 2^(nd) orbit?

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

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

when an electron jumps from the fourth orbit to the second orbit, one gets the

when an electron jumps from the fourth orbit to the second orbit, one gets the