23.03.2023 - 01:49

What is the energy of a photon of ultraviolet radiation with a wavelength of 250 nm?

What is the energy of a photon of ultraviolet radiation with a wavelength of 250 nm?

Answers (1)
  • dawson
    April 6, 2023 в 08:36

    The energy of a photon of ultraviolet radiation with a wavelength of 250 nm can be calculated using the formula:

    E = hc/λ

    where E is the energy of the photon, h is Planck's constant (6.626 x 10^-34 J s), c is the speed of light (299,792,458 m/s), and λ is the wavelength of the radiation (in meters).

    Substituting the given values, we get:

    E = (6.626 x 10^-34 J s x 299,792,458 m/s)/(250 x 10^-9 m) E = 7.94 x 10^-19 J

    Therefore, the energy of a photon of ultraviolet radiation with a wavelength of 250 nm is 7.94 x 10^-19 J.

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