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    chemistry

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    State the frequency of blue light in Hertz which has a wavelength of 430 nm


    Answer:


                    Wavelength x Frequency = Speed


    430 nm x Frequency = 3.00 x 108 m/s


                    C (speed) is defined to be the rate of travel of all electromagnetic energy in a vacuum and is a constant value—speed of light.

    Frequency (v) = (3.00 x 108 m/s)/430 nm


    Frequency (v) = (3000 x 1014 nm/s)/430 nm


    Frequency (v) = 6,97 x 1014 Hz


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