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September 19, 2014

Homework Help: Physics

Posted by Anonymous on Tuesday, July 26, 2011 at 4:11pm.

1. A concave mirror forms a real image at 25cm from he mirror surface along the principal axis. If the corresponding object is at a 10cm distance, what is the mirror's focal length?
2. A woman looking in a makeup mirror sees her face at twice its actual size and right-side up. If she is 28cm from the mirror, what is its focal length?

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