The only  element in the hydrogen atom resides under ordinary  condition  on the first  orbit
Channel: Doubtnut
Date: 02/08/2020

The only  element in the hydrogen atom resides under ordinary  condition  on the first  orbit .When energy  is supplied the  element move to hjgher  energy ornbit depending  on the lower  of energy absioerbed .When this electron to may  of the electron return to any of the lower orbits, it emit energy Lyman series  is formed  when  the  electron to the lowest orbit  white Balmer  series  ids formed  when  the  electron returns to the second  orbit similar Paschen Brackett, and Pfund series  are formed  when electron return  to the  third  fourth , and fifth  arbit from  highest energy  orbits, respectively  Maximum  number of liner produced  is equal when  as electron jumps from nth level to  ground level  is  equal to `(n(n - 1))/(2)`If teh electron comes  back  from the energy level having  energy `E_(2)`  to the  energy level having energy `E_(1)` then the  difference may be expresent in terms of energy of photon as `E_(2)  - E_(1) = Delta E, lambda = hc//Delta E` Since h and c  are constants `Delta E` coresponding to definite  energy , thus , each  transition  from  one energy level  to  unother  will produce a  light of definite  wavelem=ngth .This  isd actually  observed  as a line  in the spectrum of hydrogen atom Wave number of line is given by the formula `bar v = RZ^(2)((1)/(n_(1)^(2))- (1)/(n_(12)^(2)))`Where R is a Rydherg constant  If the ionisation  potential for  hydrogen -like  atom in a  sample is ` 122.4 V` then the series limit  of the paschen series for  this atom is