How are rough materials different from smooth materials? Give two examples of each.

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Solution

Rough material Smooth material

It has an irregular and uneven surface with bumps or ridges and is not smooth to touch. It has an even or a flat surface free from irregularities, roughness or bumps and is smooth to touch.

Examples: Sandpaper, jackfruit Examples: Plastic sheet, mirror

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Rough material	Smooth material
It has an irregular and uneven surface with bumps or ridges and is not smooth to touch.	It has an even or a flat surface free from irregularities, roughness or bumps and is smooth to touch.
Examples: Sandpaper, jackfruit	Examples: Plastic sheet, mirror