Gce Model Questions Vol1 2025 Physics Question 31
Practice objective / multiple choice question 31 from the 2025 Gce Model Questions Vol1 Physics examination.
A source of sound emits a frequency of 500 Hz and moves directly towards a stationary observer with a speed of 30 m s^{-1}. At the same time the observer moves directly away from the source with a speed of 20 m s^{-1}. The speed of sound in air is 340 m s^{-1}. (i) Calculate the frequency heard by the observer. (ii) A second stationary source emits a frequency of 520 Hz. Find the beat frequency heard by the observer.
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About This Question
This is Gce Model Questions Vol1 2025 Physics Question 31. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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