Uncertainty Principle Using Momentum and Position: An electron is trapped in a quantum well that is 48.6 nm wide. Calculate the minimum uncertainty in its velocity. (h = 6.626 × 10-34 J ? s, melectron = 9.11 × 10-31 kg)
A. 7.49 × 103 m/s
B. 1.79 × 104 m/s
C. 2.38 × 103 m/s
D. 3.34 × 104 m/s
E. 1.01 × 103 m/s
Answer: C
Physics & Space Science
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