1.

transparet oClassily the objects or materials given below aA, water, a plece of rock. a sheet of aluminium, asheet of polythene. a CD, smoke, a sheet of planeodoiron, an umbrella, a lighted fluorescent tube,awll log a plecethe flame of a gas burner, a sheet of cardboard, a licellophane, a wire mesh, kerosene stove Sun firefllucent and luminous or non-luminous:paque,wooden boariae. a wall, sa sheet of carbony. moon.lighted torch, a shepate3. Can you think of creating a shape that would give a circular. In a completely dark room, if you hold up a mirror in front of you, wil yoy sashadow if hetlt tone way and a rectangular shadow if held in another wayreflection of yourself in the mirror?

Answer»

OPAQUE:a piece of rock, a sheet of aluminum, mirror, a wooden board, umbrella, cardboard, wall, a sheet of carbon paper.

TRANSPARENT:air, water, a sheet of plane glass

TRANSLUCENT:a sheet of polythene, smoke, fog, a sheet of cellophane, a wire mesh

LUMINOUS:a piece of red hot iron, a lighted fluorescent tube, flame of gas burner, lighted torch, kerosene stove, Firefly, sun

NON-LUMINOUS: moon

thank you so much



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