Light of wavelength 800nm is incident on a metallic surface, Physics

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Light of wavelength 800nm is incident on a metallic surface

Light of wavelength 800nm is incident on a metallic surface. if the stopping potential for the photo-electrons ejected from the metal is 0.35 volts, find the work function for the metal and the longest wavelength incident light that will eject photo-electrons from this metal.

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Physics: Light of wavelength 800nm is incident on a metallic surface

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Physics: Light of wavelength 800nm is incident on a metallic surface

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