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What is a normal?
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What percent of light is returned when light shimmers on water.
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15 Questions (2nd)

Chapter 29 2nd set of questions

QuestionAnswer
What is a normal? Rays making equal lines to a perpendicular line, which is called the normal.
What percent of light is returned when light shimmers on water. 2%
What is the angle of incidence? The angle between the incident ray and the normal called the angle of incidence.
What is a plane mirror? A mirror that is flat.
What is a concave mirror? A mirror that curves inwards.
What is a convex mirror? A mirror that curves outwards.
What is a virtual image? An image that appears to be in a location where light doesn't reach.
What are wave fronts? Wave fronts are lines drawn that represent the positions of different crests.
What is Refraction? Refraction is the bending of a wave as it crosses the boundary between 2 media at an angle
What causes mirages? Mirages are caused by the refraction of light in the earths atmosphere.
What is dispersion? Dispersion is the separation of light into colors arranged according to their frequency.
Do different frequencies of light travel at different speeds? Yes, visible light of higher frequencies travel slower than light of lower frequencies.
How can you see a full color spectrum in a rain drop? Light that enters the raindrop is dispersed into spectral colors.
What is a critical angle? A critical angle is the angle of incidence that results in the light being refracted at an angle of 90 degrees.
What is total internal reflection? The complete reflection of light back into its original medium.
Created by: 13_tplyler
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