Sudarshan posted an Question
April 10, 2020 • 19:48 pm 30 points
  • IIT JAM
  • Physics (PH)

A telescope is used to observe at two objects which are a distance of 10 km from the observer and are 0.12 m apart. they are illuminated by light of wavelength

A telescope is used to observe at two objects which are a distance of 10 km from the observer and are 0.12 m apart. They are illuminated by light of wavelength 600 nm. What should be the diameter of the objective lens on the telescope if it can just resolve the two objects? (A) 6 cm (B) 12 cm (C) 72 cm (D) 60 cm

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    Abhishek singh best-answer

    A is correct answer. use limit of resolution of telescope.

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