Neco Model Questions Vol1 2018 Physics Question 18
Practice objective / multiple choice question 18 from the 2018 Neco Model Questions Vol1 Physics examination.
A source of sound of frequency 800 Hz moves towards a stationary observer at 30 m s⁻¹ in air where the speed of sound is 340 m s⁻¹. At the same time the observer moves away from a second stationary source of frequency 750 Hz at 20 m s⁻¹. Determine the beat frequency heard by the observer.
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About This Question
This is Neco Model Questions Vol1 2018 Physics Question 18. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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