Homework Help: Chemistry

Posted by Kamila on Monday, March 28, 2011 at 4:21pm.

When light having a wavelength of 497 nm strikes a metal coating of an emitter, an elector with kinetic energy of 2.52 x 10^-19 is ejected. What is the threshold frequency for this metal?

Chemistry - ben, Wednesday, October 26, 2011 at 2:24pm
508 cm fly

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