8
QuizMultiple Choice

Radio Waves and Applications

Question 8 • NC-Physical Science CR 2024

Which terms describe the purpose of antennas on devices that use radio waves?

Answer
A
transmit and receive
B
modify and amplify
C
amplify and receive
D
modify and transmit

Explanation

Antennas convert electrical signals into radio waves when sending, and convert incoming radio waves into electrical signals when receiving. So the terms that describe their purpose are “transmit and receive.” Amplifying or modifying signals is generally done by other parts of a device.

AI-written and checked against the verified answer.

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