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In this video, we explore the concept of light. Light is a form of energy, while darkness occurs in the absence of light. A light source generates light, which can be natural (e.g., the sun, fire, lightning) or artificial (e.g., lamps, torches, matches). Natural light sources exist independently in nature, whereas artificial ones depend on energy from mains electricity, batteries, or chemical reactions. Light travels quickly in straight lines and can be reflected off objects, enabling us to see. The angle at which light reflects off a surface is equal to the angle at which it hits it, helping us understand visibility as light moves directly from the source to the eye.
