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:

PHYSICS

An object is placed at 20 cm from a convex mirror of focal length 20 cm, The distance of the image from the pole of the mirror is :

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ANSWER

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.

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