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Grade 12Wave Motion

A source is emitting sound of a single frequency. a vertical reflecting surface is advancing towards the source at a speed of 30m/sec. if the velocity of sound in air is 330m/sec. the percentage change of frequency of the note as percieved by an observer near the source.

Profile image of vishnu
10 Years agoGrade 12
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1 Answer

Profile image of Rituraj Tiwari
5 Years ago
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