The photoelectric effect is the emission of electrons from a material caused by electromagnetic radiation, such as light, and its theoretical explanation provided key evidence for the particle nature of light.
Facts
Proposed YearSourced to the subject's own account Proposed BySourced to the subject's own accountAlbert Einstein (theoretical explanation; the effect itself was observed by Heinrich Hertz in 1887) 1 Connections
Proposed By
Theoretical explanation only; the effect itself was observed by Heinrich Hertz in 1887, per the property text.
Additional Source Photoelectric Effect (Wikipedia)20th century section (edge: proposed-by, Einstein)
Sources
1. Photoelectric Effect (Wikipedia)
WikipediaLead section (entity-description)
The photoelectric effect is the emission of electrons or other free carriers when light is shone onto a material.
Lead section (proposed-year)
Albert Einstein explained the effect in 1905 by proposing that light is composed of discrete quanta, later called photons, work for which he was awarded the Nobel Prize in Physics.
Lead section (proposed-by)
Albert Einstein explained the effect in 1905 by proposing that light is composed of discrete quanta, later called photons, work for which he was awarded the Nobel Prize in Physics.
Proposed By: Albert Einstein, 20th century section (edge: proposed-by, Einstein)
In 1905, Albert Einstein published a paper advancing the hypothesis that light energy is carried in discrete quantized packets to explain experimental data from the photoelectric effect.
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