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what is the focal length of a convex lens if object placed at a distance of 10 cm from lens and image formed at 8 cm from lens. |
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Answer» Explanation: The FOCAL length of this convex lens is 10 cm. This means that f=10cm. i) A DIMINISHED real image is FORMED by a convex lens when the OBJECT is beyond 20 cm ( or more than 20 cm) is 25 cm. |
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