Question

A convex mirror used for rear view on an automobile has a radius of curvature of 3.00 m if the bus is located at 5.00m from this mirror .find the position,nature and size of image?

Pls mention the height of the image

Answer 1

Answer:

Hey friend here it is ,

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

Explanation:

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