The relationship between energy of a photon of light and its frequency is given by________________?
Correct answer: C. Plancks Quantum theory
- A. de-Broglie duel nature of matter
- B. Bohrs model
- C. Plancks Quantum theory
- D. Rutherfords atomic model
Explanation
Planck's quantum theory gives the photon-energy relation E = hν, where h is Planck's constant and ν is frequency. Thus, photon energy is directly proportional to frequency. Students may choose b because Bohr also used quantized energy levels, but the direct energy-frequency relationship was introduced by Planck's theory.
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About Planck's Quantum Theory
Planck's quantum theory states that energy is emitted or absorbed in discrete packets called quanta, with each packet having energy E = hν. It covers the meaning of Planck's constant, the relationship between frequency and wavelength, and how quantisation differs from the classical continuous model of energy.
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