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Question
In which of the following, does diffused reflection take place when a beam of light strikes it?
In which of the following, does diffused reflection take place when a beam of light strikes it?
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Solution
The correct option is C Chalk powder
Surfaces of the mirror and the polished wooden table are smooth and uniform. Also, the water layer on the marble floor is uniform. These surfaces are shiny, smooth and regular, so light does not undergo diffused reflection at these surfaces.
On the other hand, light undergoes diffused reflection at chalk powder surface because of its roughness.
Chalk powder
Surfaces of the mirror and the polished wooden table are smooth and uniform. Also, the water layer on the marble floor is uniform. These surfaces are shiny, smooth and regular, so light does not undergo diffused reflection at these surfaces.
On the other hand, light undergoes diffused reflection at chalk powder surface because of its roughness.
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