What is the Doppler Effect and how does it relate to waves?
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Doppler Effect in class 11 chapter 14 waves refers to the variation in the wavelength or frequency of a wave in relation to an observer moving relative to the wave source. When the wave source moves toward the observer, the frequency increases, and waves are compressed. If the source moves away, the
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The acceleration of wave is g/2. Its speed increases as it moves up. So answer is (2)
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