- Physical Sciences
- Grade 11
- Geometric Optics
- Learn Xtra Lessons
- Light Calculations
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Xtra Gr 11 Physical Sciences: In this lesson on Light Calculations we use the relationships between frequency, wavelength and speed in light calculations. We use Snell's Law to calculate the speed of light through various media, the angle of refraction, the critical angle and the refractive index of materials.
Revision Video