Question: A convex mirror used in a bus has radius of curvature 3.5 metre and if the driver of the bus locate a car at 10 metre behind the bus find the position nature and size of the image of the car.
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Question: A convex mirror used in a bus has radius of curvature 3.5 metre and if the driver of the bus locate a car at 10 metre behind the bus find the position nature and size of the image of the car.
Solution:
Here,
Step1: Determination of the position of the car.
Using,
Thus, the car appears to be at 1.49m from the convex mirror.
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R=3.5 , f=R/2= 1.75m
u= -10cm, v=?
1/f =1/v + 1/u
1/1.75 = 1/v - 1/10
v= 1.5 m
magnification (m)= -v/u =0.15
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