Aperture of a human eye is 2 mm. Assuming the mean wavelength of light to be 5000 A0, the angular limit of resolution of the eye in radian is nearly (in rad).

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2×10-4

3×10-4

0.5×10-4

1.5×10-4

answer is B.

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Detailed Solution

angular resolution 1.22λD= 1.22×5×10-72×10-3=3.05×10-4 rad

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