Internet Doppler Sites
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Internet Doppler Sites
Mrs. K's 7th Grade Science Classes
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The Soundry: Interactive Sound Lab

The Soundry: Interactive Sound Lab | Internet Doppler Sites | Scoop.it

This applet lets you interactively experience the Doppler Effect. By experimenting with this applet, we hope that you will get a better understanding of what the Doppler Effect actually is. Thanks to this hands-on opportunity, you can learn by seeing, hearing, and reading about the Doppler Effect.

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Doppler Effect

Doppler Effect | Internet Doppler Sites | Scoop.it

Heard an ambulance go by recently? Remember how the siren's pitch changed as the vehicle raced towards, then away from you? First the pitch became higher, then lower. Originally discovered by the Austrian mathematician and physicist, Christian Doppler (1803-53), this change in pitch results from a shift in the frequency of the sound waves.

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Applet: Doppler Effect

Applet: Doppler Effect | Internet Doppler Sites | Scoop.it

Here you can visualize the Doppler effect. It's easy: Just click anywhere within the gray area and drag the mouse. An arrow representing the source velocity vector will appear. The speed of the source divided by the sound speed (= Mach number) is also displayed numerically. Let go of the mouse, and your source will move across the scrren, emitting waves.

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The Doppler Effect: Behavior of Waves

The Doppler Effect: Behavior of Waves | Internet Doppler Sites | Scoop.it

Suppose that there is a happy bug in the center of a circular water puddle. The bug is periodically shaking its legs in order to produce disturbances that travel through the water. If these disturbances originate at a point, then they would travel outward from that point in all directions.

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Real-life applications - Doppler Effect

Real-life applications - Doppler Effect | Internet Doppler Sites | Scoop.it

The Doppler effect is an effect observed in light and sound waves as they move toward or away from an observer. One simple example of the Doppler effect is the sound of an automobile horn.

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Sound Compression and the Doppler Effect

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