2
QuizMultiple Choice

Waves — Test

Question 2 • Physics in the Universe

Which two technologies use the same range of radio wave frequencies?

Answer
A
AM and FM radio broadcasting
B
cell phones and space communication
C
CB radios and submarine communication
D
television broadcasting and AM radio broadcasting

Explanation

Cell phones transmit and receive signals in the microwave portion of the radio-frequency spectrum. Space communication, such as communication with satellites, also commonly uses microwave frequencies. AM and FM broadcasting use different frequency bands, and AM radio frequencies are much lower than television broadcast frequencies.

AI-written and checked against the verified answer.

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