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A convex lens forms a real image of an object for its two different positions on a screen.If the height of image in both the cases is 9cm and 4cm respectively then, height of the object is _____cm...Pls provide the whole method of solution.

A convex lens forms a real image of an object for its two different positions on a screen.If the height of image in both the cases is 9cm and 4cm respectively then, height of the object is _____cm...Pls provide the whole method of solution.

Grade:12

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