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A monochromatic light source of intensity 5 mW emits 8×1015 photons per second. This light ejects photoelectrons from a metal surface. The stopping potential for this setup is 2.0 V. Calculate the work function of the metal.__

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A monochromatic light source of intensity 5 mW emits 8×1015 photons per second. This light ejects photoelectrons from a metal surface. The stopping potential for this setup is 2.0 V. Calculate the work function of the metal.




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