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Question
Who discovered the wave particle duality of light?
Who discovered the wave particle duality of light?
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Solution
- Although scientists previously had theorized and claimed light to have particle-like nature, it was Albert Einstein in 1905, who confirmed that light had indeed particle-like nature.
- The photoelectric effect is a phenomenon in which electromagnetic radiation incident on metal causes the emission of bound electrons from the metal surface.
- According to Einstein, in the photoelectric effect, the incident light is quantized and each (light) particle which is known as a photon, has an energy that is proportional to the frequency of the incident light.
- Light was already proven to show wave-like properties and hence the conclusion made by Einstein showed that light could be explained both as a wave and a particle.
Hence, Albert Einstein was effectively the person to discover the wave-particle duality of light.
- Although scientists previously had theorized and claimed light to have particle-like nature, it was Albert Einstein in 1905, who confirmed that light had indeed particle-like nature.
- The photoelectric effect is a phenomenon in which electromagnetic radiation incident on metal causes the emission of bound electrons from the metal surface.
- According to Einstein, in the photoelectric effect, the incident light is quantized and each (light) particle which is known as a photon, has an energy that is proportional to the frequency of the incident light.
- Light was already proven to show wave-like properties and hence the conclusion made by Einstein showed that light could be explained both as a wave and a particle.
Hence, Albert Einstein was effectively the person to discover the wave-particle duality of light.
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