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When the object is placed principal focus, the image is formed due to convex lenses _______ |
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Answer» (a) Above diagram shows Ray diagram when object keep outside the principal focus of a convex lens.(b) (i) If object is moved the lens, the image size will keep on INCREASING till the object reaches focus. After that, the size DECREASES but the image remains magnified. The image keeps moving away from the lens (on the opposite side of the lens) till the object reaches focus; after that the image is FORMED on the same side of the lens as the object. (ii) If object is moved away from lens, the size will keep on decreasing and the image keeps on SHIFTING towards the lens. |
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