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A telescope has an objective lens of 10c...

A telescope has an objective lens of `10cm` diameter and is situated at a distance of one kilometre from two objects. The minimum distance between these two objects, which can be resolved by the telescope, when the mean wavelength of light is `5000 Å`, of the order of

A

5 mm

B

0.5 m

C

5 cm

D

0.5 cm

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The correct Answer is:
D
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