A 4cm tall object is placed on the principal axis of a convex lens. The distance of the object from the optical centre of the lens is 12cm and a sharp image is formed at a distance of 24 cm from it on a screen on the other side of the lens. If the object is now moved a little away from the lens, in which way will we have to move the screen to get a sharp image of the object again? How will magnification be affected?
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We should move the screen towards the lens .the magnification decreases
Answered by
2
the screen should me moved towards the lens
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