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Question 35

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

  • A.increase the intensity of sound waves
  • B.increase the loudness of sound waves
  • C.reduce the effect of reverberations of sound waves
  • D.increase the interference effect of sound waves
  • E.decrease the frequency of sound waves.
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1996
Question no.
#35
Type
Objective
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