Fig. 67. Fig. 68. the apparent movement of the coin. The beam of light is bent atZ^, where it leaves the water and takes the direction DE. The coinappears to be at C, which lies in ED produced (Fig. 68). Light. 93 Questions. — i. Account for rivers appearing shallower than theyreally are. 2.…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.