The image of the trees can be clearly seen in calm water body.But image becomes blurred when waves from on it. Explain this phenomenon on the basis of reflection of light?
Answers
Explanation:
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Answer:
Diffraction is not what makes a tree's shadow blurry. The shadows of trees, buildings, and other outdoor objects are made blurry by the fact that the sun is an extended light source. Although diffraction can make shadows blurry, for human-sized objects at visible wavelengths of light, the diffraction of light is small.
Look closely at the shadow of a tree cast on the grass, your hand cast on the sidewalk, or a fence cast on a distant wall. Each shadow has the general shape of the object casting the shadow, but the edges of the shadows are not crisp. Rather, the edges of the shadow are blurry or fuzzy. The farther away the shadow is from the object creating the shadow, the more blurry the shadow becomes. For instance, move your hand away from its shadow on the sidewalk, and the shadow becomes more of a blob. If light traveled only in perfectly straight lines and there were only point sources of light, all shadows would be perfectly crisp because the light would reach a spot and then not reach a spot right next to it. There are therefore two effects that blur out shadows: 1) light does not travel only in straight lines, but can bend around corners ("diffraction"), and 2) light does not come only from point sources.
Explanation:
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