Doppler effect is related to sound. It describes the change in frequency of sound waves due to relative motion between the source and observer. Approaching objects increase the frequency (higher pitch), while receding objects decrease it (lower pitch), affecting how ...
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The fluctuations in the frequency of a sound source are called the Doppler effect. This phenomenon occurs when there is relative motion between the sound source and the observer, causing the observed frequency to increase as they approach each other ...