Advanced Placement / Physics

Snell's Law

In this lab, students use an optics ray table to measure the incident and refraction angles of a light ray traveling from air into a material with unknown index of refraction, and then, using the principles of refraction and Snell's law, they determine the material’s index of refraction.

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Student Files

06_Snells_Law_013-14883A-CS.cap 9.70 KB
06_AP2_Snells_Law_S.docx 396.41 KB
06_AP2_Snells_Law_S.pdf 592.79 KB
06_Snells_Law_013-14883A-SV.spk2 5.72 KB

Standards Correlations

IB Topics AP Topics
4.4 6.E.3.2; 6.E.3.3

Featured Equipment

Basic Optics Light Source

Basic Optics Light Source

An all-in-one bright point source, illuminated crossed-arrow object, primary-color source, and ray box with up to five parallel rays.

Basic Optics Ray Table

Basic Optics Ray Table

A rotating disk with a polar grid that provides an excellent surface for measuring incident, reflected, and or refracted light rays.

Many lab activities can be conducted with our Wireless, PASPORT, or even ScienceWorkshop sensors and equipment. For assistance with substituting compatible instruments, contact PASCO Technical Support. We're here to help.

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Source: Lab #06

Advanced Physics Through Inquiry 2

Snell's Law