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A convex lens forms an image of the same size as the object at a distance of 30 cm from the lens. Find the total length of the lens. Also find power of the lens. What is the distance of the object from the lens?

Answer»

A convex lens forms an image of the same size as the object at a distance of 30 cm from the lens. Find the total length of the lens. Also find power of the lens. What is the distance of the object from the lens?



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