Sound level is L = 10 log ( II0 ) decibels. A sound 1,000,000 times as intense as I0 has a level of:

  1. 600 dB
  2. 6 dB
  3. 60 dB
  4. 70 dB
Answer

C) 60 dB

L = 10 log 10^6 = 10 6 = 60 dB. SLO M-09-A-08 · Application

Mathematics MCQ · More Real Numbers MCQs · Practise