question_answer

Two point white dots are 1 mm apart on a black paper. They are viewed by eye of pupil diameter 3 mm. Approximately, what is the maximum distance at which these dots can be resolved by the eye? [Take wavelength of light = 500 nm]     AIEEE  Solved  Paper-2005

A) 5 m                                        

B) 1 m                        

C)        6 m                        

D)        3 m

Correct Answer: A

Solution :

We know that where,wavelength of light diameter of pupil