orClassify the objects or materials given below as opaque, transparenttranslucent and luminous or non-luminous:n, a mirror, a wooden board, asheet of polythene, a.CD, smoke, a sheet of planie glass, fog, a piece of red hotiron, an umbrella, aAir, water, a piece of rock, a sheet of aluminiulighted fluorescent tube, a wall, a sheet of carbon paper,the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet ocellophane, a wire mesh, kerosene stove, sun, firefly, moon.Can you think of creating a shape that would give a circular shadow if held inone way and a rectangular shadow if held in another way?In a completely dark room, if you hold up a mirror in front of you, will you see areflection of yourself in the mirror?

orClassify the objects or materials given below as opaque, transparent

1.	orClassify the objects or materials given below as opaque, transparenttranslucent and luminous or non-luminous:n, a mirror, a wooden board, asheet of polythene, a.CD, smoke, a sheet of planie glass, fog, a piece of red hotiron, an umbrella, aAir, water, a piece of rock, a sheet of aluminiulighted fluorescent tube, a wall, a sheet of carbon paper,the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet ocellophane, a wire mesh, kerosene stove, sun, firefly, moon.Can you think of creating a shape that would give a circular shadow if held inone way and a rectangular shadow if held in another way?In a completely dark room, if you hold up a mirror in front of you, will you see areflection of yourself in the mirror?
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