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What is the difference between these 2 pictures?. Loudness (Intensity). Loudness (or Intensity) is related to the amount of energy involved. Alexander Graham Bell…inventor of the telephone. Intensity is measured by dB (decibels). A logarithmic chart.
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Loudness (or Intensity) is related to the amount of energy involved
A logarithmic chart On the decibel scale, the smallest audible sound (the threshold of hearing) is 0 dB. A sound 10 times more powerful is 10 dB. A sound 100 times more powerful than near total silence is 20 dB A sound 1,000 times more powerful than near total silence is 30 dB.
Review A mosquito's buzz is often rated with a decibel rating of 40 dB. Normal conversation is often rated at 60 dB. How many times more intense is normal conversation compared to a mosquito's buzz?