Question

A convex mirror has radius of curvature 10 m. If a bus is located 20 m from the mirror. Find the position nature and size of the image

Answer 1

given :

R=3m

f=R/2=3/2=1.5m

u=5m

v=?

Mirror formula:

1/f=1/u+1/v

by sign conventions:

1/1.5=1/-5+1/v

1/v=1/1.5+1/5⇒6.5/7.5

v=7.5/6.5

=1.15m

∴The image is virtual seen at the back of mirror.

m=hi/ho=-v/u

-1.15/-5=0.23

∴Image is erect and diminished in size by a factor of 0.23

4.4

Explanation:

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Answer 2

Answer:

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