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2 cards from this section. Quick, good the night before a test.
What is rectilinear propagation?
Think about how light from the sun travels.
What happens to light when it hits a mirror?
What do you see when you look into a mirror?
What is rectilinear propagation?
Think about how sunbeams enter through gaps.
Is it true that the angle of incidence equals the angle of reflection?
Recall our discussion on mirrors and measuring angles.
Design an experiment to demonstrate rectilinear propagation using a light source.
What materials can you find that will show the light's path clearly?
How would you calculate the focal length of a lens using refraction principles?
What are the variables you need to consider regarding your lens' properties and the media it's in?
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