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 • about 1 year 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 • about 1 year 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 about 1 year ago