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    chemistry

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    Some compounds are very strong at absorbing infrared light which has a lengthwave 6.85 nm. What is the frequency of the light in Hertz?

    Answer:

                    Wavelength x Frequency (v) = Speed (c) 

    6.85 nm x Frequency (v) = 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)/6.85 nm

    Frequency (v) = (3000 x 1014 nm/s)/6.85 nm

    Frequency (v) = 437 x 1014 Hz


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