The intensity level of sound in a truck is {eq}90 \ dB {/eq}. What is the intensity of this sound?
Question:
The intensity level of sound in a truck is {eq}90 \ dB {/eq}. What is the intensity of this sound?
Decibel:
In physics, the decibel is the logarithmic measuring the ratio between two quantities such as electric power, sound intensity and so on.
If P is an energy or power, it is expressed in decibels as follows
{eq}\displaystyle P_{dB} = 10\log_{10}(\frac{P}{P_0}) {/eq}
where {eq}P_0 {/eq} is a reference power.
Answer and Explanation: 1
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View this answerIn acoustics, the Intensity Level (IL) of a given sound is expressed as
{eq}\displaystyle IL = 10\log_{10}(\frac{I}{I_0}) {/eq}
where...
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Intensity in Physics: Definition & Measurement
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Chapter 5 / Lesson 10
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This lesson explains what wave intensity in physics is, and it explains the intensity of light formula with examples. This lesson also describes how to calculate intensity of sound waves.
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