Gce Model Questions Vol1 2021 Physics Question 3
Practice objective / multiple choice question 3 from the 2021 Gce Model Questions Vol1 Physics examination.
A point source emits sound uniformly in all directions. At a distance of 30 m from the source the intensity measured is \(2.0\times10^{-6}\) W m\(^{-2}\). Assuming the source power does not change, what is the difference in sound level, in decibels, between this position and a point 60 m from the source? Give your answer to one decimal place.
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About This Question
This is Gce Model Questions Vol1 2021 Physics Question 3. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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