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2 January, 02:39

Determine the frequency of light with a wavelength of 4.644 * 10-7 cm

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  1. 2 January, 03:07
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    6.456 x 10^16 Hz

    Explanation: The speed of light, 2.998 * 10^8 m/s Speed of a wave is calculated by multiplying the wavelength by the frequency of the wave.

    That is, c = v*λ

    The wavelength, λ is 4.644 * 10^-7 cm

    But, 1 m = 100 cm

    Thus, the wavelength, λ = 4.644 * 10^-9 m

    Rearranging the formula; v = c/λ

    Therefore;

    Frequency, v = 2.998 * 10^8 m/s : 4.644 * 10^-9 m

    = 6.456 x 10^16 Hz

    Thus, the frequency of the light will be 6.456 x 10^16 Hz
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