
Uses of EM waves
Authored by ZACARIE ROSARIO
Science
10th Grade
Used 9+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
FIBER OPTICS are important in telecommunication.
True
False
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The system from the satellite to the earth station through the channel is called the downlink.
True
False
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Long wavelength radio waves are used for television and FM radio.
True
False
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
_______________ was discovered by Sir Frederick William Herschel in 1800.
Radio waves
Microwaves
Infrared
LASER
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Some _______________ pass easily through the Earth’s atmosphere, particularly in ionosphere and so are used in satellite communication systems, for example in making international phone calls.
Radio waves
Microwaves
Infrared
LASER
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