Physics Level 11
Chapter 13 Light and Reflections
The electromagnetic spectrum includes all light waves, not just those visible to humans. Ray diagrams can be used to describe light waves and to predict the results of interactions with surfaces. Mirrors have many applications for scientists and in everyday life. For example, a reflector telescope uses two mirrors to gather, focus, and reflect light unto the eyepiece. This time-tested design is popular among amateur astronomers.
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