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CBSE Class 12-science Answered

When a tiny circular obstacle is placed in the path of the light of a distant source, a bright spot is seen at the center of the shadow of the obstacle. Explain why?
Asked by Topperlearning User | 13 Jun, 2014, 08:14: AM
answered-by-expert Expert Answer

Waves diffracted from the edge of the circular obstacle interfere constructively at the center of the shadow of circular obstacle. As a result, a bright spot is seen at the center of the shadow of the obstacle. 

 

Answered by | 13 Jun, 2014, 10:14: AM
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