WONDER #1389: Why Can You Only Hear One Radio Station at a Time?

Question 1 of 3

In radio terms, FM stands for what?

1. frequency modulation
2. frequency modeling
3. frequency maturation
4. freedom modulation

Question 2 of 3

The amplitude of a wave refers to its what?

1. size
2. frequency
3. wavelength
4. power

Question 3 of 3

Frequency is measured in a unit called the what?

1. millisecond
2. meter
3. yard
4. hertz

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