The mathematical expression for the uncertainty principal is

## ✅ Correct Answer: **A,B** ### 📖 Detailed Explanation: **Solution:** This question has **multiple correct answers**. **Analyzing each option:** (A) ✓ Δ x Δp ≥ h/4π... (B) ✓ Δ EΔt ≥ h/4π... (C) ✗ Δ x Δp ≥ h/p... (D) ✗ ΔEΔt ≥ h/p... **Correct Options: A,B** **Approach:** - Evaluate each statement independently - Multiple options can be correct simultaneously - Check all options against atomic structure principles **Answer: A,B** --- *This is an official solution provided by Chem Mantra. For more chemistry questions and solutions, explore our [question bank](/courses).*