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15
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What is refraction?
The change of direction of a light ray when it enters or leaves a permanent material
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15
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Name three applications of total internal reflection.
Optical fibers, diamonds, mirage
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15
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How does light bend when it enters a denser material?
it bend closer to the normal.
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banana
Go to last place!
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seesaw
Swap points!
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gift
Win 10 points!
Okay!
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thief
Give points!
5
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25
15
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Name the phenomenon occurring in the photo.
Total internal reflection
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baam
Lose 5 points!
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shark
Other team loses 15 points!
Okay!
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gift
Win 10 points!
Okay!
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baam
Lose 10 points!
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15
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What's the speed of light?
300,000 km/sec
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15
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Find i,r and q
i,r = 34 q =56
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15
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What happens to the speed of light when when the refractive medium is less dense?
it increases.
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15
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Material that doesn't let light pass through it is called an__________
Opaque material
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thief
Give points!
5
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25
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rocket
Go to first place!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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15
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Explain how light travels through the image.
It is reflected through the mirrors to reach the human eye.
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15
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What is the relationship between angle of incidence and angle of reflection?
They are equal
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15
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What is dispersion?
The splitting up of white light.
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15
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What happens when the critical angle is equal to the incident light ray angle?
It bends toward the surface.(90 degrees)
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15
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What colors can pass through a blue filter?
Blue light mainly, a little of indigo, violet and green
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