Partial Reflection and Refraction vs. Total Internal Reflection

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9 Terms

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Partial Refractions:
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How does partial reflection and refraction occur?
when light travels from one medium to another
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What contributes to the amount of reflection and refraction
angle of incidence
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How does the reflected ray and refracted appear when angle of incidence is smaller?
less reflected ray

more refracted ray
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How does the reflected ray and refracted ray appear when angle of incidence is larger?
more reflected ray

less refracted
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Total Internal Reflection:
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What condition does total internal reflection occur under? (Hint: density of mediums)
light traveling from dense medium to less dense medium
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What is a critical angle?
value of angle of incidence when angle of refraction is 90 degrees
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How does total internal reflection occur?
when light travels from denser medium to rarer medium light moves away from normal - once refracted ray passes critical angle ray stays in the denser medium and becomes the reflected ray