Calculating Emission Wavelength for Excited Atoms at 3.031x10^-19 J Energy Level

  • #1
pishogues
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Homework Statement
A sample of excited atoms lies 3.031×10^−19 J above the ground state. What is the emission wavelength of these atoms?
Relevant Equations
E=hc/λ
Problem Statement: A sample of excited atoms lies 3.031×10^−19 J above the ground state. What is the emission wavelength of these atoms?
Relevant Equations: E=hc/λ

λ=hc/E

I'm stuck on the first part. i.e;

something / 3.031x10^-19J
 
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  • #2
pishogues said:
Problem Statement: A sample of excited atoms lies 3.031×10^−19 J above the ground state. What is the emission wavelength of these atoms?
Relevant Equations: E=hc/λ

something / 3.031x10^-19J

What is ##h##? what is ##c##?

If you don not know, go to "photon energy" wiki page.
 

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