photoelectric chemistry question?

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photoelectric chemistry question?

If you hit the surface of copper wuth a photon of energy and find that the ejected electron has a wavelength of 1.89nm, what is the frequency in kilohertz of the incoming photon?

2007-05-07 16:35:13 · 2 answers · asked by peter s 2 in Science & Mathematics ➔ Chemistry

2 answers

speed of light = (wavelength) x (frequency) = 3E8

frequency = (3E8)/(1.89E-9) = 1.59E17 Hz or 1.59E14 kHz

2007-05-07 16:48:59 · answer #1 · answered by mrfarabaugh 6 · 0⤊ 0⤋

Work function of Cu ??????

2007-05-08 05:48:56 · answer #2 · answered by ag_iitkgp 7 · 0⤊ 0⤋