Question Detail
Question
How is Sound intensity (acoustic intensity) defined in the document?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The document defines it as 'Sound intensity or acoustic intensity, is the power carried by sound waves per unit area in a direction perpendicular to the area.'
Hint
Refer to the definition given at the end of the 'Variation of Intensity of Sound with distance from the source' section.