Define what is the longest wavelength of light

Reference no: EM13555738

The binding energy of electrons to a chromium metal surface is 7.21 × 10-19 J. What is the longest wavelength of light (in nm) that will eject electrons from chromium metal? What frequency is required to give electrons with kinetic energy of 5.09E-19 J? What wavelength (in nm) is required to give electrons with kinetic energy of 5.09E-19 J

Reference no: EM13555738

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