(Adolf Cortel 2009) ( You can watch an IMPROVED version at: http://www.youtube.com/watch?v=QWYUnFuSQww) Homemade Fabry-Pérot interferometer used to measure the difference of the wavelength of the sodium doublet, according to the procedure described in hyperphysics
You are absolutely right! I made this video time ago and I wasn't aware of the importance of a nice sound to keep the audience more attentive. Thanks!
toc1955 4 months ago