Question

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 in which direction with respect to screen?

Answer 1

This is a very interesting question.As we can see the student gets a very blurred image of the object using the
convex lens.In this situation,the boy must move the lens towards the screen to obtain a distinct image.

I hope this answer helps

Answer 2

the answer is
either towards or away from the screen depending upon the position of the object