May 30, 2016

Homework Help: Physics

Posted by Pat on Sunday, May 27, 2012 at 5:58pm.

The minimum frequency for the photoelectric effect of a zinc plate is 9.7 1014 Hz. What will be the kinetic energy of an ejected electron when a photon with a wavelength 200 nm (2.00 10 7 m) strikes it?

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