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ehn 313 hw1 electronic devices
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Due: 20 February 201 9 @9:15 am – No late homework will be accepted.
−𝑎𝑥
for 𝑥 >
0 and 0 for 𝑥 < 0.
a) Show that M = 2.
b) For what value of x does 𝑃
2
is at peak.
c) Calculate < 𝑥 >.
d) What is the probability of finding the particle between 𝑥 = 0 and 𝑥 = 1 𝑎
from zinc is 310 nm. Calculate the work function for zinc. Also, calculate the velocity for the
photoelectrons by light of wavelength 2000 Å other than threshold.