Question
Physics Question on Ray optics and optical instruments
The resolution limit of eye is 60 s. At a distance of X km from the eye two persons stand with lateral separation of 3 m. For the two persons to be just resolved by eye, X should be
A
10 km
B
15 km
C
20 km
D
30 km
Answer
10 km
Explanation
Solution
The correct option is (A): 10 km