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Sound intensity is proportional to the _________ of sound pressure.(a) cube(b) square(c) inverse square(d) inverse square rootI got this question in an international level competition.My doubt is from Mechanism of Hearing topic in portion Audiometry of Biomedical Instrumentation |
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Answer» RIGHT OPTION is (b) square Explanation: SOUND intensity is proportional to the square of sound pressure. Sound pressure, for a given sinusoidal EVENT, is RELATED linearly to both amplitude and frequency. Sound intensity may be defined as the amount of energy flow per unit time through a unit area perpendicular to the direction of energy flow. |
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