The energy of a proton is 1.0 MeV below the top of a 1.2-MeV-high energy barrier that is 6.8 fm wide. What is the probability that the proton will tunnel through the barrier? (1 eV = 1.60 × 10-19 J, mproton = 1.67 × 10-27 kg, = 1.055 × 10-34 J ∙ s, h = 6.626 × 10-34 J ∙ s)
A) 11%
B) 9.1%
C) 14%
D) 7.5%
Correct Answer:
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