Neco 2019 Physics Question 35
Practice objective / multiple choice question 35 from the 2019 Neco Physics examination.
A source of sound emits a frequency of \(800\ \text{Hz}\) and moves directly towards a stationary observer with a speed of \(30\ \text{m s}^{-1}\). The air temperature is \(20^{\circ}\text{C}\). (i) Determine the speed of sound in air at this temperature. (ii) Find the frequency heard by the observer. Give your answer to the nearest hertz.
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About This Question
This is Neco 2019 Physics Question 35. It is one of the objective questions from the 2019 Neco Physics examination.
Difficulty level: Medium .
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