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Task 50323.
A photon with energy hv experienced a collision with an electron, which was moving toward him. As a result of the collision the photon motion direction was reversed and it was the same energy. Find the electron velocity and calculate it in the case where the photon wavelength is 4.2 pm.
Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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