Planck's concept was used by:
Correct answer: C. Einstein
- A. J. J. Thomson
- B. Rutherford
- C. Einstein
- D. Hertz
Explanation
Planck's work led Einstein in determining that light exists in discrete quanta of energy, or photons. Einstein applied the concept of quantization to explain the photoelectric effect
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About Dawn of Modern Physics
Classical physics cannot explain blackbody radiation and related observations, leading to Planck’s quantum theory, in which energy is emitted or absorbed in discrete packets. Photons provide the particle model of light, with energy and momentum linked to frequency and wavelength, including the photoelectric effect and its threshold frequency.
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