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When a monochromatic ultraviolet light with a wavelength of 254 nm falls onto the surface of...

When a monochromatic ultraviolet light with a wavelength of 254 nm falls onto the surface of a particular metal it causes a photocurrent to flow. A stopping voltage of 2.30 V is required to totally block the photocurrent.

a. What is the work function of the material?

W = _______ eV

b. What is the cutoff wavelength for this metal?

λ = ________ nm

c. Will light with a wavelength of 523 nm be able to cause a photocurrent from this material?

_________ (Yes/No)

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