Question

1) John and Tom were given one mirror each by their teacher. Tom found his image to be erect and of the same size whereas John found her image erect and smaller in size. This means that the mirrors of John and tom are, respectively

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

Answer 1

Answer:

Option (c) Plane mirror and convex mirror is the correct answer.

Because an image formed by a plane mirror will always be erect and of the same size whereas an image formed by a convex mirror will always be erect and smaller in size.

Explanation:

What is a plane mirror?

• A flat and smooth mirror is called Plane mirror.

What are the characteristics of a plane mirror?

• An image formed by a plane mirror is always erected , virtual, of same size and is laterally inverted.

Why?

• Because the image is just located at the same perpendicular distance behind the mirror.

What is a convex mirror?

• A convex mirror is made by silvering the inner surface.

• The Light rays incident on it diverge after reflection.

• The image formed by a convex mirror is always diminished for all people positions of the object in front of it.