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Micro Blogs - Doppler Effect

Updated: Mar 10

This Doppler Effect has many key applications. Some of them are listed below : Doppler Effect is the phenomenon of Change in Sound when the relative distance from Source and Observer varies. This also applies to Light . In effect, there is variance of frequency of Sound/Light when there is change in distance between Source and Observer.

A typical example would be when a Siren enabled Ambulance approaches near the observer, the sound volume increases gradually and similarly when the same Ambulance moves away from the observer, the sound volume decreases gradually.

This Doppler Effect has many key applications. Some of them are listed below :

1. Speed Checker : Automated and Manual Speed Checker are there to determine the Speed of the Vehicle in motion and report the same to the nearby Police as applicable.

The change in radio frequency emanating from moving cars help determine the Car Speed.

2. Blood Flow Measurement : The Quality of Blood flow in arteries and Veins including any blockages can be determined using this Doppler Effect 3. Weather Prediction : Used in Movement of Clouds/winds/ other planetary motion and hence aids in better weather prediction.


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