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DIFFUSION OF LIGHT
When light is reflected from a mirror, the angle of reflection equals the angle of
incidence. When light is reflected from a piece of plain white paper; however, the
reflected beam is scattered, or diffused, as shown in figure 2-6. Because the
surface of the paper is not smooth, the reflected light is broken up into many light beams
that are reflected in all directions.
Figure 2-6. - Diffusion of light.
Q.12 When light strikes a piece of white paper, the light is reflected in all
directions. What do we call this scattering of light?
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