a 5cm long object is placed perpendicular to the principal axis of a convex lens of focal length 10cm the distance of object from the lens is 30 find the position and the size of the image formed
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Explanation:
It will be found to be equal to 6 cm. Thus, object is placed at a distance of 6 cm × 5 = 30 cm from the lens. A concave lens of focal length 15 cm forms an image 10 cm from the lens.
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