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JAMB Physics 2012 Question 29

Question 29

Sound

The characteristic of a vibration that determines its intensity is the

  1. A.frequent
  2. B.overtone
  3. C.wavelength
  4. D.amplitude.
Show the answer and explanation

Answer: D (amplitude.)

Explanation

Intensity (loudness) depends on the energy carried, which is proportional to the square of the amplitude.