Physical Science: Waves, Sound, and Light, Book O

Section 3: Using Electromagnetic Waves

Self-Check Quiz-Eng.

1.
The specific frequency of the electromagnetic wave that a radio station is assigned is called the __________.
A)amplitude modulation
B)carrier wave
C)frequency modulation
D)cathode
2.
Global Positioning System is a system of satellites, ground monitoring stations, and receivers that __________.
A)provide information about the receiver's exact location at or above Earth's surface
B)provide mobile telephone service
C)broadcast television signals
D)provide two-way radio service for police cars, fire trucks, and ambulances
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