Question

the focal length of a convex mirror is 10 cm an object is placed on its principal axis at a distance of 20 cm from pole where will the image be from and will it be real

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Answer 1

Answer:

I think it would help us bro.

Explanation:

ANSWER

For Point A

f=10 cm

Object distance AB=5 cm

u=−25 cm

Now,

v

1

+

u

1

=

f

1

v

1

=−

−25

1

+

10

1

v=

7

50

cm

For point B

f=10 cm

u=−30 cm

Now,

v

1

=−

−30

1

+

10

1

v=

4

30

cm

Size of image AB =

4

30

−

7

50

=0.36 cm