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Q: Identify the unit of measuring intensity of sound.
  • A. Candela
  • B. Ampere
  • C. Knots
  • D. Decibels
Correct Answer: Option D - The unit of measuring intensity of sound is Decibles and denoted by the symbol (dB). Decibel, unit for expressing the ratio between two physical quanties, usually amounts of acoustic or electric power, of for measuring the relative loudness of sounds.
D. The unit of measuring intensity of sound is Decibles and denoted by the symbol (dB). Decibel, unit for expressing the ratio between two physical quanties, usually amounts of acoustic or electric power, of for measuring the relative loudness of sounds.

Explanations:

The unit of measuring intensity of sound is Decibles and denoted by the symbol (dB). Decibel, unit for expressing the ratio between two physical quanties, usually amounts of acoustic or electric power, of for measuring the relative loudness of sounds.