Physics

My advice is for you to download the files directly to your hard drive by right-clicking on the link and then selecting "Save Target As..." - otherwise the Excel files may not work fully in your browser window!

Snells Law (added 15/02/04)
This is an Excel file (22KB) that enables the user to vary an angle of Incidence together with a Refractive Index and then an angle of Refraction is calculated and shown. (A partially reflection is also shown prior to the critical angle being reached.)

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