question_answer 49)

  A child is standing -in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from the top. (a) Plane, convex and concave                                   (b) Convex, concave and plane (c) Concave, plane and convex                                  (d) Convex, plane and concave

Answer:

                  (C) Concave mirrors (of large focal length) can be used to see a larger image of the head, the plane mirror for middle portion to see her body of the same size and convex mirror to see the diminished image of leg. Hence, the combinations for magic mirror from the top is concave mirror, plane mirror and convex mirror.