Questions

The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 Å is of the order of :

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10-4 rad

10-6 rad

106 rad

10-2 rad

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detailed solution

Correct option is B

θ=1.22λD=1.22×5×10−70.1=6.11×10−7=6×10−7=10−6rad

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