Question

PLEASE GIVE FULL EXPLANATION OF THE ANSWER
A student obtains a blurred image of a distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens

(a) away from the screen

(b) towards the screen

c) to a position very far away from the screen

d) either towards or away from the screen depending upon the position of the object​

Answer 1

) Towards the screen. Explanation: When the object is at infinity, the distance of the image from the lens will be equal to the focal length of the lens