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One cycle per second is also given the unit name:
AHertz
BHenry
CHubble
DHafnia
Answer & Solution
Correct answer: A. Hertz
1. The unit honours the physicist who found radio waves.
2. His name became the unit.
3. That unit is the hertz.
_Source: OpenStax Astronomy 2e, Chapter 5, Radiation and Spectra._
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