Transparent, Translucent and Opaque Objects

Define transparent, translucent and opaque optical media with examples.

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: fog

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: a sheet of aluminium

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: a sheet of plane glass

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: a sheet of cardboard

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: an umbrella

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: a sheet of cellophane

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: water

Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: a wire mesh