A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm.The distance from the lens a convex mirror of radius of curvature 10 cm should be placed on the other side of the lens such that the real images formed on the source itself is
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Correct option is C)
for the final image to be formed at the source the image of the image through the lens should form at the central of the mirror.
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