Post Utme Noun 2025 Physics Question 21
Practice objective / multiple choice question 21 from the 2025 Post Utme Noun Physics examination.
A sound wave with a frequency of 200 Hz is emitted from a source moving towards a stationary observer. If the speed of sound in air is 343 m/s, what is the apparent frequency heard by the observer?
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This is Post Utme Noun 2025 Physics Question 21. It is one of the objective questions from the 2025 Post Utme Noun Physics examination.
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