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    Determination of workfunction using photoelectric effect

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    Photons of wavelength 450 nm are incident on a metal. The most energetic electrons ejected from the metal are bent into a circular arc of radius 20.0 cm by a magnetic field with a magnitude of 2 x 10-5 T. What is the work function of the metal?

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    https://brainmass.com/physics/photoelectric-effect/work-function-metal-18103

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