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Consider the following statements:1. Light of longer wavelength is scattered much more than the light of shorter wavelength.2. The speed of visible light in water is 0.95 times the speed in vacuum.3. Radio waves are produced by rapidly oscillating electrical currents.4. To detect the overspeeding vehicles, police use the Doppler effect of reflected short radio waves. Which of these statements are correct ?

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Wave motion is the transfer of energy and momentum from one point of the medium to another point of the medium without the actual transport of matter between two points.


Consider the following statements:<br />1. Light of longer wavelength is scattered much more than the light of shorter wavelength.<br />2. The speed of visible light in water is 0.95 times the speed in vacuum.<br />3. Radio waves are produced by rapidly oscillating electrical currents.<br />4. To detect the overspeeding vehicles, police use the Doppler effect of reflected short radio waves. Which of these statements are correct ?






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