stphdrn1347 stphdrn1347

08-04-2024
Physics

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A monochromatic light is incident on the surface of a metal with work function 2.50 eV. If a 1.0-V stopping potential is required to make the photo current zero, what is the wavelength of light?

A) 354 nm
B) 423 nm
C) 497 nm
D) 744 nm

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