Question

15.
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:

BEHIND THE MIRROR

EXPLAINATION :

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Answer 2

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.