Question: 2 . A metal has a work function of 2 . 1 eV . Find the threshold frequency and wavelength. ( 3 points ) If

2. A metal has a work function of 2.1 eV. Find the threshold frequency and wavelength. (3 points) If the metal is irradiated with light with a wavelength of 540 nm, find the maximum kinetic energy and velocity of the ejected electrons. (3 points)

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