Light is composed of photons (wave packets)
h = Planck constant 6.63 × 10-34 JsOne electron at the surface of the metal absorbs a single photon.The electron gains energy E = hf.If hf > φ (work function= minimum energy needed for photoemission) then an electron is emitted.
h = Planck constant 6.63 × 10-34 JsOne electron at the surface of the metal absorbs a single photon.The electron gains energy E = hf.If hf > φ (work function= minimum energy needed for photoemission) then an electron is emitted.