A hydrogen atom in the ground state is excited by radiations of wavelength 975 Å.
Find : (a) the energy state to which the atom is excited
(b) how many lines will be possible in emission spectrum

Hydrogen atom in its ground state is excited by a radiation of wavelength 97.26 nm. The longest wavelength it emits is

(a) A hydrogen atom is excited by radiation of wavelength 97.5 nm. Find the principal quantum number of the excited state. (b) Show that the total number of lines in emission spectrum is (n(n-1))/2 and compute the total number of possible lines in emission spectrum.

A gas of hydrogen atoms in its ground state, is excited by means of monochromatic radiation of wavelength 975A^(0) . How many different spectral lines are possible in the resulting spectrum? (hc=12431.25eV-A^(0))

When a hydrogen atom is excited from ground state to first excited state then

When a hydrogen atom is excited from ground state to first excited state then

When a hydrogen atom is excited from ground state to first excited state then