At what frequency f, in hertz, would you have to move the comb up and down to produce red light, of wavelength 600 nm

Question

At what frequency f, in hertz, would you have to move the comb up and down to produce red light, of wavelength 600 nm

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Nho 3 years 2021-08-14T18:10:11+00:00 1 Answers 10 views 0

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  1. haidang
    0
    2021-08-14T18:11:48+00:00
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    Answer:

    f = 500 x 10^12Hz

    Explanation:

    E=hc/wavelength

    E=hf

    hc/wavelength =hf

    c/wavelength =f

    f = 3 x 10^8 / 600 x 10^-9 = 500 x 10^12Hz

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