Summary

• Images formed by plane mirrors
• Spherical mirrors
• Three principal rays
• Mirror equation

Today's joke


• Plane and spherical mirrors lecture 34 outline






• Spherical mirrors, continued
• R = 2f
• The mirror equation
• convex mirrors
• interactive mirror applet
• Lens/mirror ray diagram applet
Example #1
Example #2







• Prepare:
  Read textbook sections 34-3 and 34-4 before the next lecture

klm
A 5.00-cm-tall object is placed 12.0 cm in front of a convex mirror with a radius of curvature of 24.0 cm. How tall is the image?
A. 2.50 cm
B. 5.00 cm
C. 7.50 cm
D. 12.0 cm
Answer













SB5 36.14
A 10×20 cm rectangle is placed so that its right edge is 40 cm left of an R = 20 cm concave mirror. What is the area of the image?

A. 3.56 cm²
B. 4.44 cm²
C. 5.33 cm²
D. 6.67 cm²
Answer

























 




A. 2.50 cm



















 



A. 3.56 cm²