Question about Waves: Sound Intensity
Subject Physics
Physics
Source Originais Teachy
Originais Teachy
Topic Waves: Sound Intensity
Waves: Sound Intensity
Difficulty Easy
Easy
(Originais Teachy 2023) - Question Easy of Physics
Sound intensity is a physical quantity that indicates the amount of energy carried by sound waves. It is measured in decibels (dB), which is a logarithmic unit to represent the relationship between the power of a sound and a reference power. Which of the following statements is true?a.
The decibel is a logarithmic unit to represent the relationship between the power of a sound and a reference power.
b.
The decibel is a linear unit to measure sound intensity.
c.
The decibel represents the relationship between sound and atmospheric pressure.
d.
The decibel corresponds to the amplitude of the sound wave.
e.
The decibel is a dimensionless unit to measure sound intensity.
Answer sheet:
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