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#Mon Aug 09 12:01:57 CEST 2010
Text__HJ93UKOdEd-WfYQ0GneCwQ_title=The Photoelectric Effect
Text__HJ93UKOdEd-WfYQ0GneCwQ_text=When light shines on a metal, electrons are emitted from the metal surface. The measured    voltage - and so the energy of the electrons - only depends on the color of the light.    Einstein's explanation\: Light delivers energy in quanta - blue light quanta have more    energy than red light. However, not even Einstein himself claims that light simply consists of    particles since the wave-like characteristics of light are too well established.