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Characteristics of Sound MCQ App Download & PDF e-Book | 1050

MCQ: 1050

A normal conversation have sound intensities of 3×10-6Wm-2. The decibel level for the intensity is

  1. 50 dB
  2. 64.8 dB
  3. 70.5 dB
  4. 48.8 dB

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