write any two applications of Doppler's effect
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The Doppler effect provides a convenient means of tracking a satellite that is emitting a radio signal of constant frequency. The frequency of the signal received on the Earth changes as the satellite is passing.
The Doppler effect for light is important in astronomy. Two stars which revolve around one another are called double stars or spectroscopic binaries. When one is approaching the Earth, the other will be receding and this causes a split in the spectral lines, due to change in the frequency of the light emitted.
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The Doppler effect for light is important in astronomy. Two stars which revolve around one another are called double stars or spectroscopic binaries. When one is approaching the Earth, the other will be receding and this causes a split in the spectral lines, due to change in the frequency of the light emitted.
thnq
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