WHAT IS DOPLLER EFFECT AND WHAT
RESION
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A similar change in observed frequency occurs if the source is still and the observer is moving towards or away from it. In fact, any relative motion between the two will cause a Doppler shift effect in the frequency observed. So why do we hear a change in pitch for passing sirens
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Explanation:
The Doppler effect is caused when the source of waveform such as sounds and light send out wave at regular rate or frequency but there is constant relative motion between the source and observe causing the observed frequency to change
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