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.

Plane, convex and concave

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Convex, concave and plane

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Concave, plane and convex

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Convex, plane and concave

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Solution

The correct option is C
Concave, plane and convex

Concave mirror produce an enlarge and erect mirror As the head is larger ,the mirror must be concave, plane mirror does not change the image hence middle region is plane mirror , Convex mirror produce an erect and diminished image hence bottom half is convex mirror.
As the head is larger so top portion must be concave mirror hence the top portion cannot be convex or plane mirror.
Hence, Option C is Correct.

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Q. 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 top.

Q. Question 18
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 top.

(a) Plane, convex and concave
(b) Convex, concave and plane
(c) Concave, plane and convex
(d) Convex, plane and concave

Q. A man standing in front of a special mirror finds his image having a very small head, a fat body and legs of normal size. What is the shape of:

(a) top part of the mirror?
(b) middle part of the mirror?
(c) bottom part of the mirror?
Give reasons for your choice.

A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The special mirror is made up of three types of mirrors in the following order from top downwards : (a) Convex, Plane, Concave (b) Plane, Convex, Concave (c) Concave, Plane, Convex (d) Convex, Concave, Plane

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