Can anyone explain abt doppler effect?

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The phenomena of apparent change in frequency of source due to a relative motion between the source and observer is called Doppler’s effect........

Answer

When wave energy like sound or radio waves travels from two objects, the wavelength can seem to be changed if one or both of them are moving. This is called the Doppler effect.The Doppler effect causes the received frequency of a source (how it is perceived when it gets to its destination) to differ from the sent frequency if there is motion that is increasing or decreasing the distance between the source and the receiver

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The phenomenon of the apparent change in the frequency of sound due to the relative motion between the observer and the source of the sound is Doppler effect

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An increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move towards (or away from) each other. The effect causes the sudden change in pitch noticeable in a passing siren, as well as the red shift seen by astronomers.

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The apparent change in frequency which is felt when there is a relative motion b/w the source &the listener.

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