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Internet Exercises
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http://theory.uwinnipeg.ca/physics/quant/node3.html
  1. The photoelectric effect, developed by Albert Einstein, is a phenomenon in which electrons are ejected from the surface of certain metals in response to being exposed to light of at least a certain minimum frequency. The website at http://theory.uwinnipeg.ca/physics/quant/node3.html gives a basic representation of the apparatus that produces a photoelectric current. Sketch the appartus shown, and then answer the following, using the concepts provided at this site.
    1. Calculate the energy in joules of a photon with a wavelength of 635 nm.

( http://theory.uwinnipeg.ca/physics/quant/node3.html )
Study the movie and images
  1. Quantum chemistry is closely knit to biological processes, such as the transformation of retinal in the eye, which allows us to see. Study the movie and images at http://www-wilson.ucsd.edu/education/pchem/qm/viselectronstate.html, provided by the Wilson Group, and answer the following.
    1. What happens to electrons when they are irradiated with light?
    2. Why does retinal undergo a conformational change when it is exposed to light?
    3. How does this allow us to see?

( http://squier.ucsd.edu/education/gchem/qmbasics/qmexplreact.html )





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