(a) An atom initally in an energy  level with E = - 6.52 eV absorbs a photon that has wavelength
Channel: Doubtnut
Date: 2020-07-12

(a) An atom initally in an energy  level with E = - 6.52 eV absorbs a photon that has wavelength 860 nm. What is the internal energy of the atom after it absorbs the photon?  (b) An atom initially in anergy  level with E =-2.68 ev emits a photon that has wavelength 420 nm. What is the internal energy of the atom after it emits the photon?