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a radio station broadcast at a wavelength 400m find the frequency of the ratio waves transmitted if the speed of ratio waves air is 3*108 |
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Answer» f = ? we know the FORMULA c = f * λ Substituting the value , 3 * 10 ^ 8 = f * 400 => f = ( 3 * 10 ^ 8)/ 400 => f = 7.5 * 10^5 HZ
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