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27 March, 02:51

If the color red has a wavelength of 7.0 107 m. its frequency is

4.3-1014

5.0.1014

5.2.1094

7.5-1014

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Answers (2)
  1. 27 March, 03:12
    0
    I think it's 5.0.1014
  2. 27 March, 03:56
    0
    4.3⋅1014 is the answer

    Explanation:

    λf = c = 2.998e8 m/s (speed of light in vacuum)

    f = 2.998e8 / 7e-7 = 4.28e14 Hz (a)
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