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Tag Archives: Radio waves

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What is light? Sources of Light

ScienceBy William Anderson (Schoolworkhelper Editorial Team)August 26, 2010Leave a comment

What is light? A form of energy that the Sun emits in all directions Properties of Light Light travels in straight lines: Light travels VERY FAST – around 300,000, 000 metres per second. (3.0 x 108 m/s) Light travels much faster than sound. For example: Light energy is transferred through radiation RADIATION A method of…

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