Gce Model Questions Vol1 2022 Physics Question 44
Practice objective / multiple choice question 44 from the 2022 Gce Model Questions Vol1 Physics examination.
A stationary siren emits sound of frequency \(f_{s}=1000\ \text{Hz}\). An observer moves directly towards the siren at \(v_{o}=15\ \text{m s}^{-1}\). The sound reflects off a building located behind the observer and returns to him. The observer hears a beat frequency of \(120\ \text{Hz}\) between the direct and reflected sounds. Assuming the speed of sound in air is constant, determine its value.
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About This Question
This is Gce Model Questions Vol1 2022 Physics Question 44. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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