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Q: Sound intensity is measured-
  • A. By reactor scale
  • B. From tesla
  • C. Decibel
  • D. From hertz
Correct Answer: Option C - Sound is produced by the vibration of objects. Sound intensity is measured in decibels (dB).
C. Sound is produced by the vibration of objects. Sound intensity is measured in decibels (dB).

Explanations:

Sound is produced by the vibration of objects. Sound intensity is measured in decibels (dB).