Physics

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Doppler Effect

  What is Doppler Effect Doppler Effect is the apparent change in frequency of a wave caused by the relative motion of the source relative to the observer. The Doppler Effect is a physical phenomenon whe...
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Speed of sound, sound waves and frequency

      Sound waves Sound waves can be modeled with that example: By throwing a stone into a pond, it is observed that there is a multitude of waves in rings moving from the place w...