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Henderson's Regular Physics Quizzes

(1998-99 School Year)


Suggestions for this week's quiz (Unit 13 and Unit 14 Quiz):

This week's quiz on Unit 13 material is tentatively scheduled for Friday, April 30. The quiz will be a one-page quiz, covering both sides of a single sheet of paper. The equations for the magnification ratio, the mirror equation, and Snell's law of refraction will be given. Students will need a protractor and ruler. Other than a calculator, no other helps will be provided nor allowed. Roughly one-half of the quiz will pertain to curved mirror reflection and one-half will pertain to refraction of light. Students can expect the following concepts, skills, and problem-types to be assessed on this quiz:

  1. An ability to construct ray diagrams for concave and convex mirrors in order to determine the location, orientation and type of image if given the object location.
  2. An ability to recognize the relationship between the object location and the image characteristics for a concave mirror. While ray diagrams would be useful tools in determining those relationships, it is expected that you will have internalized the relationships by quiz-time. The short lab and ray diagram worksheet and Friday's class period will be a valuable aid. Consider the following ray diagram links:
  3. Use the mirror eqution and the magnification ratio for concave and convex mirrors in order to solve mathematical problems in which the image location and size are determined; to relate the results of one's calculations to the predictions which would be made by the use of a ray diagram.
  4. Define refraction and describe the cause of refraction; identify and describe the one condition in which light will move from one medium to another and not refract at the boundary.
  5. Use information about the two media on each side of the boundary (e.g., information about the optical density of, the index of refraction of or the speed of light in the two medium) to predict whether a light ray will bend towards or away from the normal at the boundary of the two medium; to construct a refracted ray to express this understanding.
  6. Use Snell's law to determine the angle of refraction at a boundary between two medium (if given the indices of refraction and the angle of incidence); similarly use Snell's law to solve for the fourth parameter if given values of the other three parameters in the equation; interpret the results of such calculations to draw the refracted ray at the appropriate angle.
  7. An understanding of previous concepts from the light units. Use the links below to see the Studying Suggestions for the previous quizzes from this unit.
    Quiz #1 of Unit 13
    Quiz #2 of Unit 13


Sample Quizzes (Unit 13 and Unit 14):

There are a few sample quizzes currently available on the topics of reflection and refraction:

Unit 13 Quiz #2 (1995) (contains excellent curved mirror Qs)

Unit 14 Quiz #1 (1994) (the first three Qs are excellent refraction Qs)

Unit 13/14 Quiz#2 (1996) (Qs #1-6, 8, and 10 are appropriate Qs)

Unit 13/14 Quiz#3 (1997) (Qs #1-4 are excellent refraction Qs)

Unit 13/14 Quiz #3 (1996) (Qs #7-10, 13 are excellent reflection Qs)



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© Tom Henderson, 1996-1998

Glenbrook South High School.

Last updated on 4/29/99.