What is the angular resolution of a `10 cm` diameter telescope at a wavelength of `0.6 mu` ?
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Here, `d theta = ? D = 10 cm = 0.1 m, lambda = 0.6 mu m = 6 xx 10^(-7)m`. As `dtheta = (1.22 lambda)/(D) :. Dtheta = (1.22 xx 6 xx 10^(-7))/(0.1) = 7.32 xx 10^(-6)` radian
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