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What experiments relate the energy of an electron to the energy of an emitted or absorbed...

What experiments relate the energy of an electron to the energy of an emitted or absorbed photon? Which of these experiments do you think would give the best estimate of the value of Planck’s constant?

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Answer #1

There are many ways by which light (photon) can interact with matter (electron) - some of which are: (1) Photoelectric Effect ; (2) Compton Scattering ; (3) Pair-Annihilation ; (4) LASER ; (5) Auger Effect ; etc. Among these, the experiments which best relate the energy of an electron to the energy of an emitted or absorbed photon is the Photoelectric Effect and the Compton Scattering.

The Photoelectric Effect Experiment will give the best estimate of the value of the Planck's Constant. We can get the value of the Planck's Constant directly from the Einstein's Photoelectric Equation.

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