The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy at which The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy at which June 7, 2021 Category: Chapter 11 - Dual Nature of Radiation and Matter , NCERT Exemplar Class 12 , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related