A telescope has an objective lens of 10 cm diameter and is situated at a distance one kilometer 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, is of the order of
Text Solution
Verified by ExpertsThe correct answer is:
B
Suppose minimum distance between objects is x and their distance from telescope is r
So Resolving limit 
⇒ ⇒ 
Hence, It’s order is ≈ ≈ 5 mm
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