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:

(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

Answer:

D

Explanation:

I guess Have a nice day.

Answer 2

Answer:

Option (B)

Explanation:

To obtain a distinct image of an object on the screen, students should have to move the lens towards the screen. The Secondary focus of the lens will behave as a screen. When an object is placed at infinity, the image is obtained at the focus of the lens. Hence, the correct option is B.