Exam Waves and Sound 4) Which one of the following statements is true? (2pts) Bo

Question

Exam Waves and Sound 4) Which one of the following statements is true? (2pts) Both the intensity level (n dB) and the sound intensity can never be negative. Both intensity level (in dB) and sound intensity obey inverse-square distance laws The intensity level (in dB) obeys an inverse-square distance law, but the sound intensity does not The sound intensity can never be negative, but the intensity level (in dB) can be negative. ) Both the intensity level (in dB) and the sound intensity can be negative. Previous 112131415161718191 10 MAIN: 4100 South 4th St Leave OPC: 4500 College Blvd. I Overlar Directory | Locations & Map Priva

Explanation / Answer

The correct option is

the sound intensity can never be negative, but the intensity level (in dB) can be negative.

sound intensity describes the rate of energy flow through a unit area and hence cannot be negative.

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