23.  ssm A mirror produces an image that is located 34.0 cm behind the mirror when the object is located 7.50 cm in front of the mirror. What is the focal length of the mirror, and is the mirror concave or convex?

 

We can find the focal length from the mirror equation

 

 

 

Since it is positive, it is a Concave Mirror!!

 

 

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This page last updated on June 29, 2018