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Teams
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Score
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boom
Lose 50 points!
Oops!
×
gift
Win 10 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 10 points!
Oops!
15
×
LASER stands for _______________.
Light Amplification by Stimulated Emission of Radiation
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15
×
When parallel rays of light strike a concave mirror, where do they appear to converge after reflection?
At the Focus
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15
×
What type of electromagnetic spectrum is used to detect abnormally high body temperature?
Infrared
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15
×
Which device converts electrical signal into sound?
Loudspeaker
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15
×
Which electromagnetic wave has the lowest frequency?
Radiowave
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15
×
Which electromagnetic wave has the longest wavelength?
Radiowave
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15
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What kind of mirror is used in cars to give the driver a wider area and smaller image of traffic behind him?
Convex
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15
×
Which electromagnetic wave has the highest energy?
Gamma Ray
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eraser
Reset score!
Oops!
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gift
Win 20 points!
Okay!
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shark
Other team loses 5 points!
Okay!
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thief
Give points!
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15
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25
15
×
Which type of EM wave is used in cooking?
Microwaves
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15
×
Which type of UV causes sunburn?
UV-B
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15
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Which indicate regions of hotter temperature when using infrared?
Red and yellow
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15
×
What type of mirror do dentists usually use to see our teeth?
Concave
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eraser
Reset score!
Oops!
×
star
Double points!
Okay!
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gift
Win 15 points!
Okay!
×
banana
Go to last place!
Oops!
15
×
What is the type and orientation of the image formed by a plane mirror?
Virtual and Upright
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×
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