Show Me The Physics
Review Can you name this wave phenomena?
B. Reflection
1. Law of Reflection
a. θ of incidence = θ of reflection
Charles William Weick Elementary Mechanical Drawing,
Theory and Practice
Show Me The Physics
What is the smallest mirror
1/2 your height
Click and Drag Gecko
The image from a plane mirror:
a. Virtual (realistic) & Upright (Straight up and down)
b. Incident ray, normal line, and reflected rays are all in the same plane
Source: Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 77
c. The distance the object is in front of the mirror equals the distance the image is behind the mirror
2. Two Basic Kinds of Reflection
a. Regular Reflection – reflection off a polished surface (produces images)
Regular Reflection Produces Images
b. Diffuse Reflection – reflection off an irregular surface causing light to scatter (no image)
Ray C
60 degrees
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Mangiacapre., - All Rights Reserved
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