Q. 34.1( 119 Votes )

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Answer :

(a) Regular reflection

A polished surface is an example of a smooth surface. A polished wooden table has a smooth surface. Hence, reflections from the polished table will be regular.


(b) Diffused reflection


Chalk power spread on a surface is an example of an irregular surface. It is not smooth.


Therefore, diffused reflection will take place from chalk powder.


(c) Diffused reflection


Cardboard surface is also an example of an irregular surface. Hence, diffused reflection will take place from a cardboard surface.


(d) Regular reflection


Marble floor with water spread over it is an example of a regular surface. This is because water makes the marble surface smooth. Hence, regular reflection will take place from this surface.


(e) Regular reflection


Mirror has a smooth surface. Therefore, it will give a regular reflection.


(f) Diffused reflection


Although a piece of paper may look smooth, but it has many irregularities on its surface. Due to this reason, it will give a diffused reflection.


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