Ray Optics: Refraction and Lenses
Refraction and Lenses: Audio Guided Solution
Problem 2:
Consider the three diagrams below. Measure the angle of incidence and of refraction (in degrees) for each of the three diagrams.
Audio Guided Solution
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Diagram A: angle of incidence = 20°; angle of refraction = 35°
Digram B: angle of incidence = 45°; angle of refraction = 33°
Diagram C: angle of incidence = 10°; angle of refraction = 48°
Digram B: angle of incidence = 45°; angle of refraction = 33°
Diagram C: angle of incidence = 10°; angle of refraction = 48°
Habits of an Effective Problem Solver
- Read the problem carefully and develop a mental picture of the physical situation. If necessary, sketch a simple diagram of the physical situation to help you visualize it.
- Identify the known and unknown quantities and record them in an organized manner. Equate given values to the symbols used to represent the corresponding quantity - e.g., do = 24,8 cm; di = 16.7 cm; f = ???.
- Use physics formulas and conceptual reasoning to plot a strategy for solving for the unknown quantity.
- Identify the appropriate formula(s) to use.
- Perform substitutions and algebraic manipulations in order to solve for the unknown quantity.
Read About It!
Get more information on the topic of Refraction and Lenses at The Physics Classroom Tutorial.
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