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The SI unit for frequency, meaning one cycle per second, is the:
AHexad
BHertz
CHenry
DHydra
Answer & Solution
Correct answer: B. Hertz
1. Frequency counts cycles completed in a second.
2. One cycle per second defines the unit.
3. That unit is the hertz.
_Source: OpenStax College Physics 2e, Chapter 16, Oscillatory Motion and Waves._
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