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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-degrees with the mirror surface. What is the angle of reflection? Explain your answer.


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 in the diagram below. Use a protractor and a ruler to draw the image of the arrow. Then sketch (using a ruler) the path that light travels to allow the eye to view the image of the arrow (be sure to place arrows on your light rays). 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)

 

5. For the following four objects and corresponding mirrors, locate and label the full image. Be accurate and neat. Use a straight edge and label the various parts of the image.

 


Useful Web Links

Image Characteristics for Plane Mirrors (6 seconds)

 

 

6. Five objects (labeled A, B, C, D and E) and a mirror are shown below. Locate and label the five images (A', B', C', D', and E'). List any image which could be seen from the indicated image location. Verify your selection (of images which can be seen) by sketching lines of sight for all images.


Useful Web Links

Why is an Image Formed? (9 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.