Kinetic energy of electron displaced from metal by photon

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In Einstein's photoelectric experiment, the kinetic energy of an electron displaced from a metal by a photon was the difference between the energy of a photon and a threshold energy value for the metal. If you were to perform a similar experiment with cobalt, which has a threshold energy of 8.01 × 10?¹? J, and ultraviolet light of wavelength 30.5 nm, what would be the kinetic energy (in J) of the electron displaced?

Reference no: EM133230110

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