Compute the threshold wavelength

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Reference no: EM13192335

Calculate the threshold wavelength, in nm, of a metal if that metal emits an electron with a kinetic energy of 6.36E-19 J when illuminated with light that has a frequency of 1.97E15 Hz. I know the answer is 295nm, but I don't know how to get there.

Reference no: EM13192335

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