DUAL NATURE OF MATTER AND RADIATION: WORK FUNCTION; HERTZ,HALLWACHS AND LENARDS EXPT.PHOTOELECTRIC EFFECT
DUAL NATURE OF MATTER AND RADIATION > WORK FUNCTION > PHOTOELECTRIC EFFECT < HERTZ OBSERVATION > HALLWACHS AND LENARDS EXPERIMENTS > EXPERIMENTAL STUDY OF PHOTOELECTRIC EFFECT < EINSTEIN'S PHOTOELECTRIC EQAUTION > WAVE NATURE OF MATTER- DE BROGLIE HYPOTHESIS