A silicon (Φ = 7.77 × 10-19 J) surface is irradiated with UV radiation with a wavelength of 235 nm. Assume an electron was a mass of 9.11 x 10-31 kg. What is the kinetic energy of the emitted electrons?

A silicon (Φ = 7.77 × 10-19 J) surface is

Answer: - 7.767 x 10^-19

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