Homework Answers
A)
Magnification, m = - 0.123/(1.5 x 10^11) = 8.2 x 10^-13
Image diameter = (1.39 x 10^9)(8.2 x 10^-13) = 1.14 x 10^-3 m
Area, A = (pi/4) (0.00114^2) = 1.02 x 10^-6 m^2
B)
Intensity, I = P/A
I = 0.605/(1.02 x 10^-6) = 5.93 x 10^5 W/m^2
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