Give two examples each of materials which have rough surface and smooth surface?

1] Sandpaper and rough fibre  (Rough)
2] Aluminium foil and silk ​(Smooth)

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Rough Surface-Wood and Rock
Smooth Surface-Flower petals and Pillow
  • 3
Rough Surface -Wood & Rock
Smooth Surface -Flower petals & Pillow
 
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Rough Surface - Tree Stumps & Road
Smooth Surface - TV Front Surface & Door Knob
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rough - rocks , bark of a tree
smooth - flower petals , paper etc.
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