Physics · Quantum Mechanics
Consider a potential barrier A of height V0 and width b, and another potential barrier B of height 4V0 and the same width b. The ratio TA / TB of tunnelling probabilities TA and TB, through barriers A and B respectively, for a particle of energy V0 / 10 is best approximated by:
- 1exp[(√2.9 - √0.9)]
- 2exp[(√3.9 - √0.9)]✓
- 3exp[(√4.9 - √0.9)]
- 4exp[(√1.99 - √0.99)]
Correct answer
exp[(√3.9 - √0.9)]
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