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.
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.