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Problem: A concave mirror produces a real image that is three times as large as the object. If the object is 28 cm in front of the mirror, a. what is the image distance? b. What is the focal length of this mirror?

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Mirrorequation:
1so+1si=1f

Magnification:

m=hiho=-siso

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Problem Details

A concave mirror produces a real image that is three times as large as the object. If the object is 28 cm in front of the mirror, 

a. what is the image distance? 

b. What is the focal length of this mirror?

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Based on our data, we think this problem is relevant for Professor Flitsiyan's class at UCF.