Question

JOW
An object of height 2 cm, is kept in front of a convex dength a
distance 10 cm of focal length 15 cm. Find the position, nature
and height of image.
Write the two uses of convex and concave mirror.
[P.T.O.]​

Answer 1

Explanation:

nature: virtual and erect

size : smaller than the object

location : behind the mirror

uses of concave mirror:

1) to see the large image of the face.

2) to locate the defect in the tooth.

3) used as reflectors in torches, and vehicle headlights

4) used by doctors as head mirrors

uses of convex mirror:

1) used as rear view mirrors in vehicles to see the traffic at the backside

2) big convex mirrors are used in shops as security mirrors

3) to lighten large areas

4) used at traffic junctions