Posted by bun on Wednesday, January 6, 2010 at 5:48pm.
Limiting resolution (in radians)
= 1.22 (wavelength)/(diameter)
1.1 arc second = [1.1 sec/(3600 sec/deg*)]*1 rad/57.3 deg = 5.33*10^-6 rad
5.33*10^-6 = 1.22*510*10^-9/D
Solve for diameter D
Is D~11.7*10^-2
i solved D~11.7*10^-2, but the answer key is .0956
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