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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
Which of the following does not effect the reverberation time:
  • A
    Size of the auditorium
  • B
    Frequency of sound
  • C
    Nature of the walls
  • D
    Area of the walls, ceiling and floor
✓

Answer

  1. Frequency of sound

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