Question

calculate the image positions and magnifications for an object 3cm tall and a mirror of focal length +12 with the object at the following positions: 2.5 f, 2.0 f, 1.5 f, 0.5 f.

please help me don't understand it at all.
it would be best if you can explain it to me rather than just giving the answer! thnx

Answer 1

help me pleaseee, i don't get it!!!

Answer 2

sorry, optics is not my thing at all :(

Answer 3

aww okay but thanks anyways