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Q: The SI unit of sound wave frequency was named in honour of which physicist?
  • A. Werner Karl Heisenberg
  • B. Heinrich Rudolf Hertz
  • C. Albert Einstein
  • D. J C Maxwell
Correct Answer: Option B - The term Hertz was proposed in the early 1920s by German scientists to honour the 19th century German physicist Heinrich Hertz. Hertz is a part of International System of Units or SI System which is based on the Metric System.
B. The term Hertz was proposed in the early 1920s by German scientists to honour the 19th century German physicist Heinrich Hertz. Hertz is a part of International System of Units or SI System which is based on the Metric System.

Explanations:

The term Hertz was proposed in the early 1920s by German scientists to honour the 19th century German physicist Heinrich Hertz. Hertz is a part of International System of Units or SI System which is based on the Metric System.