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A particular metal is illuminated by UV photons
of wavelength 210 nm, and electrons up to 1.25
eV are emitted from the surface. What is the
maximum KE of photoelectrons emitted when
the UV photons are, instead, 175 nm in
wavelength?
A. 1.18 eV
В. 2.44 eV
С. 5.90 eV
D. 7.09 eV

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