CHEMISTRY!!! Please help me out! I have half of the problem but cant figure out

  • Thread starter Thread starter Zach C
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Zach C

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the other half.? If your lab partner tells you that she has measured that a minimum energy of 7.59e-19 J is required to eject electrons from the metal silver, what is the longest wavelength light (in nanometers) she could use to make the measurement?

I know the answer to this question is 262nm. But I dont know the answer to this question.....

So what is the frequency of this light in Hz?
 
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