Q.

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

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a

10-4 rad

b

10-6 rad

c

106 rad

d

10-2 rad

answer is B.

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Detailed Solution

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