The walls and ceilings of many standard auditoria are covered with perforated pads to

Physics WAEC 1996

The walls and ceilings of many standard auditoria are covered with perforated pads to

  • increase the intensity of sound waves
  • increase the loudness of sound waves
  • reduce the effect of reverberations of sound waves checkmark
  • increase the interference effect of sound waves
  • decrease the frequency of sound waves.

The correct answer is: C

Explanation

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