A source of UV light has a wavelength of 150 nm. How much energy does one of its photons have expressed in (a) Joules and (b) Electron-volts?
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626 x 10^-34 J s), c is the speed of light (3.00 x 10^8 m/s), and λ is the wavelength of the photon. Plugging in the values, we get: E = (6.626 x 10^-34 J s) x (3.00 x 10^8 m/s) / (150 x 10^-9 m) E = 1.33 x 10^-18 J Show more…
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