Name: VE320-Quiz 1 Solved
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[SOLVED] VE320-Quiz 1

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Category: VE320

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Determine the phase velocity and group velocity of a free electron with wavelength of 7.3 nm, given that the electron mass is 9.1×10^-31
Determine the width (in eV) of the second forbidden energy band existing at ka=2π. Assume that the coefficient P’=8 and the potential width is a=4.5Å. Please provide the process of derivation.