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15/05/2021 1:33 pm
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Imagine that parallel rays are incident on an irregular surface as shown in Fig. Remember that the laws of reflection are valid at each point of the surface. Use these laws to construct reflected rays at various points. Are they parallel to one another? You will find that these rays are reflected in different directions. (Fig.)
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15/05/2021 1:34 pm
It is observed that the reflected rays are not parallel to each other due to irregularities in the reflecting surface. This type of reflection is known as diffused or irregular reflection.