The frequency of 1st line Balmer series in `H_(2)` atom is `v_(0)`. The frequency of line emitted by single ionised He atom is

The frequency of first line of Balmer series in hydrogen atom is v_0 the frequency of corresponding line emitted by singly ionised helium atom is

The frequency of first line of Balmer series in hydrogen atom is V_0 . The frequency of corresponding line emitted by singly ionised helium atom is:

The first line in the Balmer series in the H atom will have the frequency

The first line in the Balmer series in the H atom will have the frequency

If the wave number of 1^(st) line of Balmer series of H-atom is 'x' then :

The frequency of second line of Balmer series in spectrum of Li^(​+2) ​ ion is :-