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11 September, 07:00

What is the frequency (in reciprocal seconds) of electromagnetic radiation with a wavelength of 1.11 cm?

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  1. 11 September, 08:51
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    The answer

    the main formula is L = V / F so F = V/L

    L = wavelength = 1.11 cm=0.011m

    V = speed of light=3 x 10^8 m/s

    finally

    F = 0.011/3x10^8=0.0037 x 10^-8 Hz
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