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Qus. 9 A rear view mirror used in a bus has a radius of curvature 3.5m . If the driver of the bus locate a car at 10mbehind the bus, find the position, nature and size of the image of the car.

Answer»

R=3.5 , f=R/2= 1.75mu= -10cm, v=?

1/f =1/v + 1/u1/1.75 = 1/v - 1/10v= 1.5 mmagnification (m)= -v/u =0.15image is real, erect and diminished...



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