It is called transparent object I think
There are many materials that light can not travel through which are called opaque objects.
Glass. Any transparent material, which is any material that lets light through, can also been seen through.
it works with a circuit.these tiny microscopic molecules travel through the wire. the filament, a very thin metal lets the molecules travel through, but at a much slower pace. this then causes it to burn and light the bulb up.
some light travels through=translucent
Transparent
glass
translucent
yellow
vaccum chamber
transparent
When you click the camera the shutter behind the lens of the camera opens briefly and lets in the light on to the film. I am no specialist and this is what I learnt in school.