Physics · Quantum Mechanics
The expectation value of p 2 of a particle in a cubic box of side ℓ having the wave function Ψ n x ,n y ,n z (x, y, z) = 2 ℓ 3/2 sin( 2πx ℓ ) sin( 3πy ℓ ) sin( 2πz ℓ ) is:
- 113h 2 4ℓ 2
- 23h 2 ℓ 2
- 37h 2 4ℓ 2
- 417h 2 4ℓ 2✓
Correct answer
17h 2 4ℓ 2
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