h = Planck’s constant (6.626 × 10–34 J • s)
v = frequency (in s–1)
c = speed of light (3.0 × 108 m/s)
A photon of ultraviolet (UV) light possesses enough energy to mutate a strand of human DNA. What is the energy of a single UV photon and 1 mole of UV photons having a wavelength of 25 nm? 1 mol UV photons = 6.022 x 1023 UV photons.
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