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Hello, what is referred to that every moving body has an associate wavelength ?
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The Doppler Effect is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the source of the wave. This effect is commonly observed with sound waves, such as the change in pitch of a siren as it passes by.
The Doppler Effect causes a shift in the wavelength of a wave. If the source of the wave is moving towards the observer, the wavelength will appear shorter. However, if the source is moving away from the observer, the wavelength will appear longer.
The formula for calculating the Doppler Effect is: f' = f(1 ± v/c), where f' is the observed frequency, f is the original frequency, v is the velocity of the source, and c is the speed of the wave.
Yes, the Doppler Effect can also be observed with light waves. This is known as the redshift and blueshift phenomenon, where the wavelength of light appears longer or shorter depending on the direction of movement of the source.
The Doppler Effect has many practical applications, such as in radar technology, where it is used to measure the speed of a moving object. It is also used in medical imaging, such as ultrasound, to determine the direction and speed of blood flow in the body.