A convex lens form a real image power time megnified at a distance of 60cm from the lens calculate the focal length and the power of the lens
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Explanation:Determine the image distance and the focal length of the lens. Now substitute the di and do values into the lens equation 1 / f = 1 / do + 1 / di to solve for the focal length. 7. A double concave lens has a focal length of -10.8 cm.
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the focal length of convex lens is -10.8 cm
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