Answer to Question #138874 in Optics for dwight

Question

A real image is formed with a converging lens. Which of the following actions will move the image point farther from the lens?
(a) decrease the object distance
(b) increase the radius of curvature
(c) decreases the index of refraction
(d) All are correct.

Answer 1

Solution

(a) decrease in the object distance.

If object is displaced toward lence then imege of object will be far from lence. Index of Refraction is material property so its independent of displacement of object. Radius of curvature is the radius of sphere of which lence is the part. So it will be independent of object displacement.