- Physical Sciences
- Grade 11
- Geometric Optics
- Learn Xtra Lessons
- Investigating Light
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Xtra Gr 11 Physical Sciences: In this lesson on Investigating Light we explain what light is, where light comes from and why it is important. We identify what happens when light strikes the surface of different objects. Finally, we explain the processes of reflection, refraction, total internal reflection and diffraction.
Revision Video