CBSE Class 10 Science 2017 · Paper 31/1 · Question 31
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
(d) either towards or away from the screen depending upon the position of the object
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