Quantentheorie

Quantentheorie

The Photoelectric Effect
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.
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