Neco Model Questions Vol1 2022 Physics Question 40
Practice objective / multiple choice question 40 from the 2022 Neco Model Questions Vol1 Physics examination.
Two identical loudspeakers each produce a sound intensity level of \(90\ \text{dB}\) at a point \(P\) that is \(5\ \text{m}\) from each speaker. (a) Assuming the speakers act independently, find the combined intensity level at \(P\). (b) At what distance from each speaker (still far enough apart to act independently) will the combined intensity level be \(85\ \text{dB}\)? Give the distance to one decimal place.
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About This Question
This is Neco Model Questions Vol1 2022 Physics Question 40. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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