Ray Optics and Optical Instruments Part 1
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A convex lens, of focal length 30 cm, a concave lens of focal length 120 cm, and a plane mirror are arranged as shown. Foran object kept at a distance of 60 cm from the convex lens, the final image, formed by the combination, is a real image, at a distance of :
[Main 9 Apr 2016]
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