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Homework answers / question archive / MENG 213 2021 Short-answer questions (minimal to no calculations; 4 questions total)
MENG 213 2021
if −L/2 ≤ x < L/2
ψ
0 otherwise
where ψ_{0 }and L are constants. Do not worry about the fact that this function is discontinuous at x = L/2 and x =−L/2.
ψ(x,t)=ψ_{1}(x,t)+ψ_{2}(x,t)
where ψ_{1}(x,t) describes a particle with a definite momentum p_{1}, and ψ_{2}(x,t) describes a particle with a definite momentum p_{2}.
5. Time-indep Schrodinger equation (6 points). A particle in 1D having a mass m is described by a wavefunction:
ψ(x,t = 0)= Ae−x2/L2
This wavefunction corresponds to a definite energy E = 0. Using this information, what is the potential energy V(x)? Express your answer using some or all of the constants m,A,L.
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