Chapter 11

NCERT
Class 9
Science
Solutions
15. What is loudness of sound? What factors does it depend on?

Question:

What is loudness of sound? What factors does it depend on?

Answer:

The Loudness of a sound is the intensity of sound. It depends on its amplitude. Such a sound that has more energy is called loudness.

The loudness depends on the following factors:

  • Amplitude
  • Energy
  • Intensity
  • Wave Velocity

The sound passing through a unit area in unit time is called loudness.

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