# Consider a wave-packet of the form y(x) = e-x+7(204) describing the quantum wave function of an...

###### Question:

Consider a wave-packet of the form y(x) = e-x+7(204) describing the quantum wave function of an electron. The uncertainty in the position of the electron may be calculated as Ax = V(x2) – ((x))2 where for a function f(x) the expectation values () are defined as (f(x)) = 5-a dx|4(x)/2 f(x) so dx|4(x)2 Calculate Ax for the wave packet given above. (Hint: you may look up the Gaussian integral.]

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