Question

A student obtains a blurred image of a distant object on a screen using convex lens. To obtain a distinct image on the screen he should move the lens
A. Away from the screen
B. Toward the screen
C. To a position very far away from the screen
D. Either toward or away from the screen
Depending upon the position of the object

Answer 1

Answer:

(B) 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.

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