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Answer with solution WORKED EXAMPLE Electron and Photon Momentum Compared (a) Calculate the momentum of a visible photon that has a wavelength of 500 nm.

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WORKED EXAMPLE Electron and Photon Momentum Compared (a) Calculate the momentum of a visible photon that has a wavelength of 500 nm. (b) Find the velocity of an electron having the same momentum. (c) What is the energy of the electron, and how does it compare with the energy of the photon

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