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What is the frequency of radiation with wave length 480 nm

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What is the frequency of radiation with wave length 480 nm

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  1. Lambda =480nm = 480 x 10^ -9m

    Frequency = velocity of light / lambda = 3 x10^8mS^ -1/480x10^-9m

    = 6.25 x 10^ 14 Hz


  2. c=f* lamda

    (speed of light constant) 299 792 458 m/s = f * 0.00000048

    f= 299 792 458/ 0.00000048 = 6.246 *10^14 Hz
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