Waec Model Questions Vol1 2019 Physics Question 13
Practice objective / multiple choice question 13 from the 2019 Waec Model Questions Vol1 Physics examination.
Two tuning forks of frequencies 256 Hz and 260 Hz are placed 100 m apart along a straight line. An observer walks from the lower‑frequency fork toward the higher‑frequency fork at a speed of 10 m s⁻¹. If the speed of sound is 340 m s⁻¹, what beat frequency does the observer hear when he is exactly midway between the forks?
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About This Question
This is Waec Model Questions Vol1 2019 Physics Question 13. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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