Question

2
17. (a) What should be the position of the object, when a concave mirror is to be used:
(i) as a shaving mirror, and
(ii) in torches producing parallel beam of fight?
(b) A man standing in front of a mirror finds his images having a very small head and legs of normal size.
What type of mirror are used in designing such a mirror​

Answer 1

Answer:

Concave mirror used to be as a shaving mirror

Explanation:

The shapes of the three parts of special mirror are

1. Convex mirror at the top as head size is diminished

2. Concave mirror in the middle as the body size is enlarged

3. Plane mirror at the bottom as the size of legs are same