because they does not allow any light to pass through them
Opaque is a word that refers to something not being see through. Since wood is not see through, it cannot be called opaque.
Metal, wood, and most rocks are examples of opaque materials because they do not allow light to pass through them. Additionally, opaque liquids and opaque plastic materials also block light from passing through them.
Yes, a block of wood is considered opaque because it does not allow light to pass through it. Wood absorbs and scatters light, making it difficult for light to travel through the material.
metal and wood
Yes it is, if it is thick enough so that no light makes it through. Under ordinary circumstances, wood is opaque.
Opaque means when an object does not allow light to pass through.
The difference between wood and plastic is that the wood is opaque and the plastic is transparent.
You would say that the wood is opaque.
Yes, a blackboard is opaque because it does not allow light to pass through it. This characteristic makes it suitable for writing or drawing with chalk.
cardboard. wood, metal, plastic(some).
A fabric that is not see-through and suitable for making clothing is called opaque fabric.
Opaque Materials, such as wood or steel, do not transmit light, accept in the case of a few Physicists, today, claiming that they have, in fact, transmitted light rays through different "holes" in different kinds of opaque materials.