Question

A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at​

Answer 1

Answer:

10cm

Explanation:

Given, f=20cm,u=−20cm,v=?

As,

f

1

=

v

1

+

u

1

v

1

=

f

1

−

u

1

v

1

=

20

1

+

20

1

v

1

=

20

2

v=10cm

So, the distance of the image from the pole of the mirror is 10cm.