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10th grade

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What is the frequency of a photon with a wavelength of 2.50 102 nm? (The speed of light in a vacuum is 2.998 108 m/s. Planck's constant is 6.626 10-34 J ยท s.

  • high school physics -

    You don't need Planck's constant for this question.

    frequency = (speed of light)/(wavelength)

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