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An Electron Is Confined to a Box with a Dimension μ\mu

Question 12

Multiple Choice

An electron is confined to a box with a dimension of 20 μ\mu m.If we have done our best to have the electron be at rest,within what range is its velocity likely to be found?


A) ±\pm 0.2 m/s
B) ±\pm 1.2 m/s
C) ±\pm 5.8 m/s
D) ±\pm 0.9 m/s

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