Transcription of 2.1 Reflection
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Fritz Albregtsen 2008 2 Reflection , refraction, diffraction, and scattering In this chapter we will describe how radiation is reflected off a surface, transmitted into a medium at a different angle, how it is influenced by passing an edge or through an aperture, and how it is scattered and spread out by interactions with particles at various scales. We will focus on the propagation of light. In order to describe the direction in which light propagates, it is often convenient to represent a light wave by rays rather than by wave fronts.
formed by reflecting or refracting surfaces: An image formed by one surface can serve as the object for a second imaging surface. In the case of two orthogonal mirrors as shown in figure 2-7, mirror M1 forms a virtual image P1’ of an object point P, …
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