An electron with a speed of 2.1 * 106 m/s collides with a
Chapter 38, Problem 38.96(choose chapter or problem)
An electron with a speed of 2.1 * 106 m/s collides with a hydrogen atom, exciting the atom to the highest possible energy level. The atom then undergoes a quantum jump with n = 1. What is the wavelength of the photon emitted in the quantum jump?
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