2.Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous:Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, asheet of polythene, a CD. smoke, a sheet of plane glass, fog, a piece of red hotiron, an umbrella, a lighted fluorescent tube,a wall, a sheet of carbon paper.the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet ofcellophane, a wire mesh, kerosene stove, sun. firefly, moon.

2.Classify the objects or materials given below as opaque, transparent

1.	2.Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous:Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, asheet of polythene, a CD. smoke, a sheet of plane glass, fog, a piece of red hotiron, an umbrella, a lighted fluorescent tube,a wall, a sheet of carbon paper.the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet ofcellophane, a wire mesh, kerosene stove, sun. firefly, moon.
Answer» Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: AIR, WATER, a piece of rock, a ...Top answer · 0 votesOpaque : A piece of rock, a sheet of ALUMINIUM, a MIRROR, a wooden board, a CD, a piece of red hot iron, an UMBRELLA, a lighted fluorescent tube, a ... More