cse • paper_2 • quantum_mechanics
[UPSC CSE 2023] Foundations of Quantum Mechanics (Q9, 15M)
A particle constrained to move along x-axis in the domain 0 \le x \le L has a wave function \psi(x) = \sin \left( \frac{n \pi x}{L} \right), where n is an integer. Normalize the wave function and evaluate the expectation value of momentum of the particle.
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