question_answer

Diameter of the objective lens of a telescope is 250 cm. For light of wavelength 600nm. coming from a distant object, the limit of resolution of the telescope is close to :- [JEE Main 9-4-2019 Afternoon]

A) \[1.5\times {{10}^{7}}rad\]

B) \[~2.0\times {{10}^{7}}rad\]

C) \[3.0\times {{10}^{7}}rad\]

D) \[4.5\times {{10}^{7}}rad\]

Correct Answer: C

Solution :

[c] Limit of resolution