Internal light definition and its benefits Internal light is light that is produced by the own brightness of an object. It is not light that is reflected off the surface of an object, but light that is produced from the inside of the object. Objects that produce internal light are called internal light sources. Some of the internal light sources are: - Sun: The sun is an internal light source. Light is produced by thermonuclear reactions in the center of the sun. - Light bulbs: Light bulbs are a type of internal light source. Light is produced when the filament in the bulb is heated. - Stars: Stars are also internal light sources. Light is produced by thermonuclear reactions in the center of stars. - Candles: Candles are a type of internal light source. Light is produced when the wick in the candle is heated. Internal light has many benefits. Internal light sources can be used to illuminate a place. Internal light sources can also be used to produce heat. Internal light sources can be used to see objects. Here are some of the benefits of internal light: - Brightness: Internal light sources can be used to illuminate a place. For example, light bulbs and candles are used to illuminate a house. Heat: Internal light sources can also be used to produce heat. For example, the sun provides heat to the earth. Visibility: Internal light sources can be used to see objects. For example, a flashlight is used to see in the dark. In addition to these benefits, internal light can also be used to create a sense of ambiance or mood. For example, candles can be used to create a romantic atmosphere. I hope this translation is helpful. Please let me know if you have any other questions