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4 cards from this section. Quick, good the night before a test.
Define incident ray.
What is the ray doing before it reflects?
What is the normal in light reflection?
Think about the orientation compared to the surface.
What is the angle between the incident ray and the normal called?
Recall the definitions we discussed in class.
True or False: The angle of incidence equals the angle of reflection.
Think about the laws of reflection.
A beam of light strikes a mirror at an angle of 45°. Calculate the angle of reflection and explain the relationship between incidents and reflections.
Use the law that states angle of incidence equals angle of reflection.
If the incident ray is at an angle of 60° to the normal, label the angles properly and draw a diagram showing how the reflected ray would look.
Make sure both angles are measured from the normal.
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