8) Calculate the energy (eV) of a yellow beam of light (=580 nm). 1 eV=1.602 x 10-19 J a) 2.1 eV​​c) 2.7 eV b) 1.8 eV​​d) 3.0 eV

asked by @kaelint1 • 11 months ago • Chemistry • 5 pts
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Hey there! So you need to use equations for the wavelength to frequency and Planck’s equation to solve for Energy. Don't forget to convert the units! The solution is posted below.

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Rounding up the answer to 2 SF you will get the answer a) 2.1 eV. I hope this helps!

answered by @leot1 • 11 months ago
  • Can I ask how you found the value for variables "h" and "c", the only variable that is posted in the question is 1 eV= 1.602 x 10^-19 J Akira commented 11 months ago