Igcse Model Questions Vol1 2019 Physics Question 18
Practice objective / multiple choice question 18 from the 2019 Igcse Model Questions Vol1 Physics examination.
A source emits sound of frequency \(500\ \text{Hz}\) in still air where the speed of sound is \(340\ \text{m s}^{-1}\). The source moves towards a stationary observer at \(20\ \text{m s}^{-1}\). At the same time the observer moves away from the source at \(10\ \text{m s}^{-1}\). What frequency does the observer hear? Give your answer to the nearest hertz.
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About This Question
This is Igcse Model Questions Vol1 2019 Physics Question 18. It is one of the objective questions from the 2019 Igcse Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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