This preview shows pages 1–3. Sign up to view the full content.
Homework Set 3
Due Thursday, 07/14
Problem 1
A room contains two parallel wall mirrors, on opposite walls 5 meters apart.
The
mirrors are 8 meters long.
Suppose that one person stands in a doorway, in line with
mirror 2 and one meter away from it, and another person (the observer) stands one meter
away from the other edge of the mirror.
If the observer looks at mirror 1, how many
images of the other person does he see?
Problem 2
A pencil going through the surface of the water appears to bend slightly where it crosses
the surface.
The pencil enters the water with an angle of 45 degrees to the vertical.
If an
observer is looking at the pencil approximately from above, at what angle does the
pencil appear to bend (by how many degrees does its image diverge from a straight
line)?
Assume that the index of refraction of water is 1.33.
Problem 3
A transparent sphere forms an image of the Sun precisely on its surface, on the side
opposite to the direction of the Sun.
What is the index of refraction of the material of
the sphere?
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentProblem 4
A prism is constructed out of a material that has an index of refraction given by
This is the end of the preview. Sign up
to
access the rest of the document.
 Spring '07
 Smith
 Work

Click to edit the document details