Question

Consider the following trial wavefunction for a particle of mass m confined to move in a one-dimensional box of length, L.

ψ = ax(L – x)²
Determine the corresponding energy by using variation theorem. 

22 Aug 2025
Answer :
Word Count : 116
For the trial wavefunction $\psi = ax(L-x)^2$, the normalization constant $a$ is determined from $\int_0^L |\psi|^2 dx = 1$. Expanding $(L-x)^4$ and integrating gives $a = \sqrt{\frac{30}{L^5}}$. The Hamiltonian ___ ____ _____ __________ ______ ________ ___.
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