25. The outside mirror on the passenger side of a car is convex and has a focal length of

 - 7.0 m. Relative to this mirror, a truck traveling in the rear has an object distance of 11 m. Find (a) the image distance of the truck and (b) the magnification of the mirror.

 

Solve for image distance

 

 

 

Minus sign tells us it is a virtual image formed behind mirror!

 

 

 

 

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This page last updated on June 29, 2018