What is light
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Meghna Thapar 5 years, 5 months ago
Light is electromagnetic radiation that shows properties of both waves and particles. Light is a type of energy that makes it possible for us to see the world around us. We need light to see. Light comes from different sources called light sources; our main natural light source is the sun. Other sources include fire, stars and man-made light sources such as light-bulbs and torches. Light exists in tiny energy packets called photons. Each wave has a wavelength or frequency. ... In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not.
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