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May 25, 2015

Homework Help: Chemistry/Physics

Posted by Stuck on Wednesday, March 10, 2010 at 8:36pm.

"Colbalt-60 is a radioactive isotope used to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of this isotope has an energy of 1.33 MeV (million electron volts; 1 eV = 1.602*10^-19 J). What is the frequency (in Hz) and wavelength (in m) of this gamma ray?"

I just want to make sure I got the frequency right.

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