In this project, we will use Snell's Law to our advantage in order to calculate the index of refraction, and thereby the speed of light of through a hand sanitizer medium.

Step 1: Setup

Set up the optics kit with ray table/bench, laser/light source, and plan-convex tray. If you are not using a kit, you may make do with a protractor. Fill the tray with some of the solution.
Sorry, i did not understand calculations. Could anyone explain that?
Oh, nevermind, i got it :)
All of a sudden there are a lot of Instructables on Optics. I'm going to dust off my &quot;Jenkins and White&quot;. <br>Nice work. <br>If I remember correctly, the index of refraction equals the tangent of Brewsters angle.

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