Question: An electron is in a certain energy state in a one-dimensional, infinite potential well from x = 0 to x = L = 200 pm.

An electron is in a certain energy state in a one-dimensional, infinite potential well from x = 0 to x = L = 200 pm. The electron's probability density is zero at x = 0.300 L, and x = 0.400L; it is not zero at intermediate values of x. The electron then jumps to the next lower energy level by emitting light. What is the change in the electron's energy?

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