Question Detail

PHY 104 Pitch, loudness, quality, timber Objective Question
Take CBT

Question

What is the definition of Sound intensity (acoustic intensity) according to the document?
Options
A The amplitude of the sound wave.
B The frequency of the sound wave.
C The power carried by sound waves per unit area in a direction perpendicular to the area.
Correct Answer
D The logarithmic ratio between two levels of signal power.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The text 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

Look for the formal definition provided in the 'Variation of Intensity of Sound with distance from the source' section.

Question Info

Course: PHY 104
Topic: Pitch, loudness, quality, timber
Type: Objective
Difficulty: Not specified
Question 440 of 947
Previous Course Details Next