A mirror of radius of curvature 30 cm forms image of size three times that of object The position s of the object may be at a

Question

A mirror of radius of curvature 30 cm forms image of size three times that of object The position s of the object may be at a distance from mirror equal to i 10 cm ii 20 cm 1 only ii 3 i ii iii 40 cm 2 only 1 4 0 0

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