Assume the Heisenberg Uncertainty Principle Can Take the Form ΔEΔt

Multiple Choice

Assume the Heisenberg uncertainty principle can take the form ΔEΔt ≥ h/4B. How accurate can the position of an electron be made if its speed is 5 × 10⁶ m/s and if the uncertainty in its energy is 10 eV?

A) 7.7 × 10−¹⁸ m
B) 1.3 × 10−²³ m
C) 6.2 × 10−¹⁵ m
D) 1.6 × 10−¹⁰ m
E) 1.2 × 10−⁹ m