Tungsten has a work function of 46 ev what is the longest, Physics

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Tungsten has a work function of 46 ev what is the longest

Tungsten has a work function of 4.6 eV .

Part A. What is the longest wavelength of light that will release an electron from a tungsten surface? Express your answer with the appropriate units.

Part B. A 5.2 eV photon strikes the surface of tungsten and an electron is emitted. What is the maximum possible speed of the electron? Express your answer with the appropriate units.

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Physics: Tungsten has a work function of 46 ev what is the longest

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