Neco Model Questions Vol1 2022 Physics Question 27
Practice objective / multiple choice question 27 from the 2022 Neco Model Questions Vol1 Physics examination.
A source of sound moves directly towards a stationary observer with a speed of \(20\ \text{m s}^{-1}\) and emits a frequency of \(f\) hertz. The observer hears a frequency of \(660\ \text{Hz}\) as the source approaches and \(540\ \text{Hz}\) as it recedes with the same speed. Determine the speed of sound in air (in \(\text{m s}^{-1}\)).
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About This Question
This is Neco Model Questions Vol1 2022 Physics Question 27. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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