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The wave function of a particle in a one-dimensional box of length L is ψ(x) =...

The wave function of a particle in a one-dimensional box of length L is ψ(x) = A cos (πx/L).

Find the probability function for ψ.

Find P(0.1L < x < 0.3L)

Suppose the length of the box was 0.6 nm and the particle was an electron. Find the uncertainty in the speed of the particle.

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