Uncertainty Principle Using Momentum and Position: An electron is known to be confined to a region of width 0.10 nm. What is an approximate value for the least kinetic energy it could have, in electron-volts? (h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J, (melectron = 9.11 × 10-31 kg)
A. 1.1 eV
B. 0.88 eV
C. 3.8 eV
D. 8.8 eV
E. 17 eV
Answer: C
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