College Physics 10th Edition by Raymond Serway,Chris Vuille

Exercise 64

A periscope (Fig. P23.5) is useful for viewing objects that cannot be seen directly. It can be used in submarines and when watching golf matches or parades from behind a crowd of people. Suppose the object is a distance p 1 from the upper mirror and the centers of the two flat mirrors are separated by a distance h. (a) What is the distance of the final image from the lower mirror (b) Is the final image real or virtual (c) Is it upright or inverted (d) What is its magnification (e) Does it appear to be left right reversed