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25 December, 12:55

The wavelength of violet light is 4.0 x 10^-7 m. The wavelength of red light is 6.5 x 10^-7 m. How much longer is the wavelength of red than violet?

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  1. 25 December, 13:02
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    Violet wave length = 4.0 x 10⁻⁷

    Red wave length = 6.5 x 10⁺⁷

    Red wave length / Violet wave length = (6.5x10⁻⁷) / (4.0x10⁻⁷)

    (6.5x10⁻⁷) / (4.0x10⁻⁷) = 6.5/4 = 13/8 or 1.625

    The red wave is 1.625 longer than the violet's
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