The atomic line spectra of hydrogen atom is shown in figure. Write the names of the series A , B and C .

When the electron makes a transition from an outer orbit of quantum number n > 1 to the first orbit of quantum number n = 1 , then the emitted spectral series is called lyman series. Hence, series A is the lyman series. When the electron makes a transition from an outer orbit of quantum number n > 2 to the second orbit of quantum number n = 2 , then the emitted spectral series is called balmer series. Hence, series B is the balmer series. When the electron makes a transition from an outer orbit of quantum number n > 3 to the third orbit of quantum number n = 3 , then the emitted spectral series is called paschen series. Hence, series C is the paschen series.

The atomic line spectra of hydrogen atom is shown in figure. Write the names of the series A , B and C .

When the electron makes a transition from an outer orbit of quantum number n > 1 to the first orbit of quantum number n = 1 , then the emitted spectral series is called lyman series. Hence, series A is the lyman series. When the electron makes a transition from an outer orbit of quantum number n > 2 to the second orbit of quantum number n = 2 , then the emitted spectral series is called balmer series. Hence, series B is the balmer series. When the electron makes a transition from an outer orbit of quantum number n > 3 to the third orbit of quantum number n = 3 , then the emitted spectral series is called paschen series. Hence, series C is the paschen series.

Name different series of lines observed in hydrogen spectrum.

Lyman Series: When the electron jumps from any higher stationary orbit to first stationary orbit, the spectral lines fall in the Lyman series. For Lyman series, n i = 1 Now putting n f = 1 in the relation given by Bohr, w = R h 1 1 2 − 1 n i 2 , n i = 2 , 3 , 4 . . . . Balmer Series: When the electron jumps from any higher stationary orbit to the second stationary orbit with n f = 2 , the spectral lines fall in the Balmer Series. Here, n i = 2 w = R h 1 2 2 − 1 n i 2 , n i = 3 , 4 , 5 . . . . Paschen Series: When the electron jumps from any higher stationary orbit to fourth stationary orbit with n = 3 , the spectral lines fall in Paschen Series. Here, n f = 3 w = R h 1 3 2 − 1 n i 2 , n i = 4 , 5 , 6 . . . . Brackett Series: When the electron jumps from any higher stationary orbit to fourth stationary orbit with n = 4 , the spectral lines fall in Bracket Series. Here, n f = 4 w = R h 1 4 2 − 1 n i 2 , n i = 5 , 6 , 7 . . . . Pfund Series: When the electron jumps from any higher stationary orbit to fourth stationary orbit with n = 5 , the spectral lines fall in Pfund Series. Here, n f = 5 w = R h 1 5 2 − 1 n i 2 , n i = 6 , 7 , 8 . . . . Hence, it is the required answer.