Physics · Quantum Mechanics
The expectation value of energy ⟨E⟩ of a particle for which the wave function is ψ, is written as:
- 1⟨E⟩ = ∫-∞+∞ ψ (12 h ∇) ψ dV
- 2⟨E⟩ = ∫-∞+∞ MEψ ψ dV
- 3⟨E⟩ = ∫-∞+∞ ψ* (iℏ ∂∂t) ψ dV✓
- 4⟨E⟩ = ∫-∞+∞ ψ* E ψ dt
Correct answer
⟨E⟩ = ∫-∞+∞ ψ* (iℏ ∂∂t) ψ dV
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Quantum Mechanics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Quantum Mechanics