Question

what mean by opaque material?​

Answer 1

Answer:

materials through which we cannot see are called opaque materials

Explanation:

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Answer 2

Answer:

Opaque material refers to common materials that are neither metallic (strong reflections) nor transparent (refractive). Plastic, wood, stone, ceramic are common examples of Opaque materials, and they are the most common type of material. ... Opaque materials can also be emissive, meaning that they actually emit light.