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QUESTION
An unknown metal sample is subjected to a beam of monochromatic light with a wavelength of 322 nm. Electrons are ejected from the metal surface with...
An unknown metal sample is subjected to a beam of monochromatic light with awavelength of 322 nm. Electrons are ejected from the metal surface with a velocity of5.20 x 105 m/s. What is the threshold frequency of the metal?
