Introduction To Physical Science

Chapter 18: Electromagnetic Waves

Section 3 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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