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Class–VI (CHAPTER-11) LIGHT, SHADOWS AND REFLECTIONS, Questions, , 1. Rearrange the boxes given below to make a sentence that help us understand, opaque objects., OWS, , OPAQ, , UE O, , BJECT, , TSM, , SHAD, , 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, as sheet of plane glass,, fog, a piece of red hot iron, 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 of cellophane, a wire mesh, kerosene stove, sun, firefly, moon., 3. Can you think of creating a shape that would give a circular shadow if held in one, way and a rectangular shadow if held in another way?, 4. In a completely dark room, if you hold up a mirror in front of you, will you see, reflection of yourself in the mirror?

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Class–VI (CHAPTER-11) LIGHT, SHADOWS AND REFLECTIONS, Answers, , 1., OPAQ, , UE, , O, , BJEC, , TS, , M, , AKE, , SHAD, , OWS, , 2., Opaque, , Transparent, , Translucent, , Luminous, , Non-luminous, , A piece of, , Air, , A sheet of, , A, , A mirror, , polythene, , lightened, , rock, , florescent, tube, A sheet of, , Water, , Fog, , aluminium, A CD, , Flame of, , A piece of rock, , gas burner, A sheet of plane, glass, , A sheet of, , A lighted, , cellophane, , torch, , A wire mess, , Smoke, , Firefly, , A piece of rock, , Iron, , Stove, , Iron, , An umbrella, , Sun, , A wall, , A wall, , Moon, , 3. Yes,, , 4. In completely dark room, one cannot see any image in the mirror, because there, is no light falling on the mirror which can be reflected to show the image.