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15
×
The ratio of light speed in a vacuum to light speed in a medium is called?
The index of refraction
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15
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The angle of incidence and the angle of reflection are always ________?
Equal
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15
×
When light speeds up, it bends towards the normal. True or false?
False
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15
×
Light is ?
an electromagnetic wave that moves in a straight line
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banana
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star
Double points!
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gift
Win 20 points!
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thief
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15
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A crime-scene investigator shines a UV light around a room, and sees a splotch of light on the ground. What is this effect called?
Fluorescence
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20
×
What kind of an image will a converging mirror produce when an object is placed between F and the mirror?
Larger, upright, behind the mirror, virtual
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15
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What does it mean to diverge?
To come apart in different directions
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15
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Name one source of light from a natural source
???
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heart
Other team wins 15 points!
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star
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fairy
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thief
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15
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When speaking of sources of light, a mirror is what kind of source of light?
Non-luminous
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15
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Two quartz crystals are rubbed together and produce some light. What is this called?
Triboluminescence
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15
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Is the index of refraction of diamond high or low?
High
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15
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What does it mean to "converge"
to come together at a single point
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15
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What speed does light travel at in a vacuum?
3*10^8 m / s
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thief
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gift
Win 10 points!
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rocket
Go to first place!
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baam
Lose 10 points!
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