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4 June, 13:28

The am station kbor plays your favorite music from the 20's and 30's at 1290 khz. find the wavelength of these waves.

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  1. 4 June, 14:56
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    The useful information here is the frequency expressed in 1290 kHz or 1290 per 0.001 seconds. We use the formula relating the speed of light, frequency and wavelength written below:

    c = λν

    where c is the speed of light (3*10⁸ m/s)

    λ is the wavelength

    ν is the frequency

    Solving for λ,

    λ = c/v = (3*10⁸ m/s) / (1290/0.001 s) = 232.56 m
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