Mathematics · Quantum Mechanics
Consider an electron (me = 9.1 × 10-31 kg) having energy 13.6 eV, confined in an infinite potential well. If the potential energy inside the well is zero, the expectation value for the square of the electron speed, ⟨v2⟩, is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14.7 × 1031 m2 s-2
- 24.8 × 1012 m2 s-2✓
- 34.3 × 10-18 m2 s-2
- 43.0 × 1012 m2 s-2
Correct answer
4.8 × 1012 m2 s-2
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