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5. A particle of mass m and total energy E moving along x-axis, comes from the
left to a step potential given as
U(x) = { U₂
x20
x < 0,
where U is a constant, and 0<E<Uo.
(a) Solve the time-independent Schrödinger equation and find the wave
equation.
(b) Find the reflection coefficient R.

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