Waec Model Questions Vol1 2019 Physics Question 24
Practice objective / multiple choice question 24 from the 2019 Waec Model Questions Vol1 Physics examination.
A source emits sound of frequency \(f=500\ \text{Hz}\) and moves directly toward a stationary observer with a speed of \(30\ \text{m·s}^{-1}\). The speed of sound in still air is \(340\ \text{m·s}^{-1}\). Meanwhile a wind blows from the source toward the observer at \(10\ \text{m·s}^{-1}\). What frequency does the observer hear? (Round to the nearest hertz.)
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About This Question
This is Waec Model Questions Vol1 2019 Physics Question 24. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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