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A metаl thаt hаs a wоrk functiоn оf [W] eV. Light with a frequency of [f] x 10^14 Hz is incident on it . What is the maximum kinetic energy in eV that a photoelectron ejected in this process can have? (1 eV = 1.60 × 10^-19 J, h = 6.626 × 10^-34 J ∙ s)