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Unit 13, Quiz#1

1. For the following diagram, identify the normal (N), the incident ray (I), the reflected ray (R), the angle of incidence (A), and the angle of reflection (B).


Useful Web Links

The Law of Reflection (7 seconds)

 

2. An incident ray which strikes a mirror makes an angle of 20-degree with the mirror surface. What is the angle of reflection?


Useful Web Links

The Law of Reflection (7 seconds)

 

3. The incident and reflected ray is shown for light approaching a rough surface. Draw the normal for these two rays.


Useful Web Links

The Law of Reflection (7 seconds)

Specular vs. Diffuse Reflection (22 seconds)

 

4. Consider the plane mirror and the object below. Use a protractor and a ruler to draw the image of the arrow. Then sketch (using a ruler) lines of sight which would allow the eye to view the image of the arrow. Clearly mark off and label the portion of the mirror which would be needed by the eye to view the image.

 


Useful Web Links

Image Characteristics for Plane Mirrors (6 seconds)

Ray Diagrams for Plane Mirrors (11 seconds)

 

 

 

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© Tom Henderson, 1996-1998


Glenbrook South High School.

Last updated on 10/13/98.