Which of the following is true of the loudness of sound?

JAMB Physics 2023 291 views
Source: JAMB · 2023

Which of the following is true of the loudness of sound?

  1. is greatest in vacuum
  2. is independent of frequency
  3. depends on the square of the amplitude of the vibrating body ✓
  4. is proportional to the distance of the observer from the source of the sound

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