This preview shows pages 1–2. Sign up to view the full content.
Last updated: November 12, 2008
PHY 2054 Discussion – Fall ‘08
Practice Exam Problems (Chapter 23)
1.
The lateral magnification for a flat mirror: (Properties of Flat Mirrors)
a. is a function of the object
distance.
B. is a function of the image distance
c. is a function of the object and image distance
d. is
1
2.
How large should a wallmounted mirror be to view the upper half of ones height,
h
? (Required
Length of Flat mirrors)
a.
h
b.
h
/2
c.
h
/4
d. The answer is not given.
3.
A girl standing in front of a concave mirror. Consider two rays of light, one from her nose and one
from her mouth that are parallel to the principal axis as they are traveling toward the mirror. These
rays will come together: (Ray Diagram)
a. at the focal point
b. at the center of curvature.
C. at the
image point.
D. behind the mirror if she is too close to the mirror.
4.
A candle is 49.0 cm in front of a convex spherical mirror of radius of curvature 70.0 cm. What are the
image distance and the magnification, respectively? (Convex Mirror)
a. 20.4 cm, +0.417
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview. Sign up
to
access the rest of the document.
 Fall '08
 Avery
 Physics

Click to edit the document details