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. a) Write two difference between sound wave and light wave.b) Write an expression relating wave velocity, wavelength and frequency.c) If speed of sound in air is 340m/s, calculate 1) wavelength when frequency is 25 |
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Answer» No 1sound wave is longitudenal wave No 2 SOND wave NEEDS medium to PROPOGATE NO1 light wave it do not NEED any medium to porpogate No 2 sound wave is electro magnetic wave |
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