a convex mirror used for rear view on an automobile has a radius of curvature of 3.00m . if a bus is located at 5.00m from this mirror find the size of the image ?
Answers
Answered by
15
★ See this attachment...
Attachments:
Answered by
5
Explanation:
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
Similar questions