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
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B
Towards the screen
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C
To a position very far from the screen
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D
Either towards or away from the screen depending upon the position of the object
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Solution
The correct option is D Towards the screen To obtain a distinct image on the screen, student should have to move lens towards the screen, because second focus will behave as screen.