Question: Diffraction effects become significant when the width of an aperture is comparable to the wavelength of the waves being diffracted. (a) At what speed will

Diffraction effects become significant when the width of an aperture is comparable to the wavelength of the waves being diffracted.

(a) At what speed will the de Broglie wavelength of a 65-kg student be equal to the 0.76-m width of a doorway?

(b) At this speed, how much time will it take the student to travel a distance of 1.0 mm? (For comparison, the age of the universe is approximately 4 × 1017 s.)

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