34.13

An underwater diver sees the sun 60 above the horizontal. How high is the sun above the horizon to a fisherman in a boat above the diver?

34.21

An object is 20 cm in front of a converging lens with a focal length of 10 cm. Use ray tracing to determine the location of the image. Is the image upright or inverted?

34.35

A 2.0-cm-tall object is 15 cm in front of a converging lens that has a 20 cm focal length. a. Use ray tracing to find the position and height of the image. To

complete this accurately, use a ruler or paper with a grid. Determine the image distance and image height by making measurements on your diagram.

b. Calculate the image position and height. Compare with your ray-tracing answers in part a.