A telescope has an objective lens of 20 cm diameter and is

Last updated: 6/11/2023

A telescope has an objective lens of 20 cm diameter and is situated at a distance of 2 km from two objects The minimum distance between the two objects which can be resolved by the telescope when mean wavelength of light is 6000 is order of 1 7 m 3 7 mm 2 7 cm 4 7 km