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[" A convex lens forms a real image of a...

[" A convex lens forms a real image of an object for its two different positions on a "],[" screen.If height of the image in both the cases be "8cm" and "2cm," then height of the "],[" object is "],[[" (a) "16cm," (b) "8cm],[" (c) "4cm," (d) "2cm]]

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