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Solution


Q.

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 :
1 away from the screen  
2 towards the screen  
3 to a position very far away from the screen.  
4 either towards or away from the screen depending upon the position of the object.  

Ans.

(2)

As in order to get a sharp image the screen should be near to lens.