Examlex
The Radio Act of 1927 did all of the following EXCEPT
Pitch
The perceived frequency of a sound, determining whether it is high or low.
Pure Tones
Sounds with a single frequency, often used in hearing tests and research.
Wave's Pressure
The force exerted by a wave, such as a sound wave or ocean wave, on any surface it encounters.
Frequency
The number of occurrences of a repeating event per unit of time, often measured in Hertz (Hz).
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