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15
×
In radio communication and broadcasting, what device is used to convert sound waves to electrical signals?
microphone
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15
×
Which EM wave is used to treat cancer?
gamma
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×
baam
Lose 25 points!
Oops!
×
shark
Other team loses 25 points!
Okay!
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
15
×
Which EM wave is used in checking signature on passbook?
ultraviolet
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15
×
What term refers to the use of light in medical treatment of a variety of ailments such as topical infections?
phototherapy
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15
×
In radio communication, what does FM stand for?
frequency modulation
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20
×
What does RADAR mean?
radio detection and ranging
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15
×
Which layer of the atmosphere helps radio waves to bounce back and enable these radio communication signals to be heard over vast distances?
ionosphere
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15
×
Which EM wave is used to heat or cook food?
microwave
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15
×
Which EM wave is used in sterilizing water from drinking fountains?
ultraviolet
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15
×
A mobile phone works by transmitting radio waves which are received by cell sites to a target mobile phone. True or False
False
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trap
No points!
Oops!
×
magnet
Take 20 points!
Okay!
×
gift
Win 25 points!
Okay!
×
banana
Go to last place!
Oops!
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monster
Reset all scores!
Oops!
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fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
baam
Lose 15 points!
Oops!
15
×
Which EM wave is used in fiber optic communication, photography and illumination?
visible light
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15
×
To which EM wave are you contact with while watching your favorite noon time show on TV?
radio
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×
banana
Go to last place!
Oops!
×
shark
Other team loses 15 points!
Okay!
×
shark
Other team loses 15 points!
Okay!
×
lifesaver
Give 10 points!
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×
Restart
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