Mastering the BMAT by Christopher Nordstrom George Rendel & Luke Baxter

Author:Christopher Nordstrom, George Rendel & Luke Baxter
Language: eng
Format: epub
Publisher: CRC Press

4.3 The Doppler effect

If a wave source moves towards an object, the receiver encounters waves that are higher in frequency than the frequency at which the source produces the waves. This is because waves will ‘bunch up’ in front of the moving wave source.

Conversely, if the wave source moves away from an object, the receiver is exposed to waves that are lower in frequency than the frequency at which the source produces waves. This is because waves will ‘spread out’ behind the moving object.

This is known as the Doppler effect.

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