Opaque materials do not allow light to pass through them. This occurs because their internal structure scatters or absorbs light, preventing visibility through the material. Examples include wood, metal, and concrete.
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Opaque materials are those that do not permit light to pass through them, making them unable to see through. This lack of transparency occurs because their internal structure either scatters or absorbs light rather than letting it travel through. For example, materials like wood, metal, and concrete are opaque because their dense, irregular structures prevent light from passing through. As a result, objects behind opaque materials are not visible.
For more CBSE Class 6 Science Curiosity Chapter 6 Materials Around Us Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions-class-6-science-curiosity-chapter-6/