Exam2_keys.pdf - NAME KEY Examination 2 for BCH 463 A Multiple Choice Questions 1 For a one-dimensional particle in a box with a length of 10 what is

# Exam2_keys.pdf - NAME KEY Examination 2 for BCH 463 A...

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NAME KEY Examination 2 for BCH 463 A. Multiple Choice Questions. 1. For a one-dimensional particle in a box with a length of 10 Å, what is the wavelength for the first excited state a. 40 Å b. 20 Å c. 10 Å d. 2 Å ࠵?=2࠵?࠵?=2(10Å)2=10Å2. Which is true about tunneling, a. electrons can tunnel through energetically unfavorable barriers b. electrons can tunnel over distances of 1 mm c. protons but not electrons can tunnel d. protons can electrostatically tunnel with electrons 3. For a one-dimensional particle in a box, what is the probability of finding the particle between 0 and L ࠵?.2࠵?sin(࠵?࠵?࠵?)(࠵?࠵?࠵?࠵?)!!sin(࠵?࠵?࠵?)࠵?࠵?࠵?.2࠵?sin࠵?࠵?࠵?࠵?!!sin(࠵?࠵?࠵?)࠵?࠵?࠵?.2࠵?sin(࠵?࠵?࠵?)!!sin(࠵?࠵?࠵?)࠵?࠵?࠵?.2࠵?sin(࠵?࠵?࠵?)(࠵?࠵?࠵?࠵?)࠵?!!!sin(࠵?࠵?࠵?)࠵?࠵?4. For a one-dimensional particle in a box, write an integral expression for the average value, or expectation value, of the position of the ground state ࠵?.2࠵?sin(࠵?࠵?࠵?)(࠵?࠵?࠵?࠵?)!!sin(࠵?࠵?࠵?)࠵?࠵?࠵?.2࠵?sin࠵?࠵?