If referring to the word opaque it has several meanings:
not translucent
dull or not shiny
not clear or hard to understand
No ,beacause it is an solid colored object.
It can be either, depending on the type of rubber you mean.
because of an Opaque opque: describes an object that is not transparent or translucent By: Becca Dehart
An object that allows some light to pass (but not all light to pass) is called "translucent". Examples include tracing paper and frosted glass.