Homework Answers
Wavelength, lambda = 2yd/L
Lambda = 2 x 0.003 x 0.072 x 10^-3/0.8
Lambda = 5.4 x 10^-7 m
A)
Intensity, I = Io cos2[pi y d/lambda L]
I = 0.12 cos2[pi x 0.072 x 10^-3 x 0.002/5.4 x 10^-7 x 0.8]
I = 0.03 W/m^2
B)
I = 0.12 cos2[pi x 0.072 x 10^-3 x 0.0015/5.4 x 10^-7 x 0.8]
I = 0.015 W/m^2
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