1) The light rays that can be seen are called a) Infrared rays b) Visible light c) U_v d) Transparent material 2) ....... Is no't considered as a source of light a) An electric lamp b) The sun c) A lightened candle d) The moon 3) Light transmits in ....... Lines a) Curved b) Broken c) Striaght d) Zigzag 4) When light falls on an opaque body ,..... Is formed a) No image b) White light c) A shadow d) An inverted image 5) The farther object to the light source has a ....... Shadow a) Bigger b) Smaller c) Fainted d) Coloured

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