Yes because you can't see through it. If it was transparent then you would be able to see through it. :)
An opaque one.
Yes it is
Need not be opaque to other wavelength ranges. A thin metal sheet is opaque to visible light, but not to x-rays.
metal and wood
cardboard. wood, metal, plastic(some).
Gold is a precious metal and is opaque (not transparent).
an opaque material that reflects light
The opposite word of opaque is transparent. Opaque = an object that cannot be seen through, for example: solid metal door. Transparent = and object that can be seen through, for example: clear glass window.
A marble is made of glass (a non-metal) and is translucentA nail is made of a metal and is opaque
wood Think of any material that you cannot see through. Steel, Concrete, Granite,... These are opaque: Light does not pass from one side to the other. Examples of materials that are not opaque: Water, Glass, Air [a mixture of gases]
If it is made of glass, yes. If it is made of wood, metal, plastic, or stone then no, it is opaque.
Nope. It only reflects. Refraction is pretty much distortion.