Boojho while waving his hand very fast in front of his eyes,observes that his fingers appear blurred. What could be the reasonfor it?NCERT Class VIIIScience - Exemplar ProblemsChapter 16. Light
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Bcs light travels in straight path.When boojho waving his hand very fast light enters in our light in many directions and light rays suddenly more and less(like in case of twinkling of stars)due to moving his hand very fast speed.
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