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The noise level decreases with distance following
  • a)
    inverse square law
  • b)
    power law
  • c)
    directly proportional to intensity square
  • d)
    inversely proportional to the intensity
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The noise level decreases with distance followinga)inverse square law...
The noise level decreases with distance following inverse square law.
The Inverse Square Law:
The Inverse Square Law states that for every doubling of the distance from the sound source in a free field situation, the sound intensity will diminish by 6 decibels.
The intensity of sound = Source Power(P)/4πR2
Where R = distance from the source.
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The noise level decreases with distance followinga)inverse square lawb)power lawc)directly proportional to intensity squared)inversely proportional to the intensityCorrect answer is option 'A'. Can you explain this answer?
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