Light a candle for peace. The meaning of LIGHT is something that makes vision possible. With the development of electric lights and power systems, electric lighting has effectively replaced firelight. The observation and study of optical phenomena such as rainbows and the aurora borealis offer many clues about the nature of light as well as much enjoyment. and from electrical devices, and that allows…. It consists of photons that travel in a wave like pattern. Is light a wave or a particle? How is it created? And why can’t humans see the whole spectrum of light? All your questions answered. Light shines on an object, then bounces off, or reflects, back to our eyes. Our eyes are sensitive to a certain kind of light called visible light. But there are many other kinds… What is Light? Light is a type of energy that enables us to see with our eyes. LIGHT definition: 1. Historically, another important source of light for humans has been fire, from ancient campfires to modern kerosene lamps. Jul 28, 2025 · What is light in physics? Light is electromagnetic radiation that can be detected by the human eye. In order to see, there must be light. Visible light is all the colors (red, yellow, blue, etc. Oct 19, 2023 · Light is both a particle and a wave. How to use light in a sentence. The main source of natural light on Earth is the Sun. Light travels from a source, like the sun or a light bulb, to our eyes, and to the surroundings. That is the reason we can see objects during daytime with the sunlight, or with a light bulb in the night. Learn more. Synonym Discussion of Light. Electromagnetic radiation occurs over an extremely wide range of wavelengths, from gamma rays with wavelengths less than about 1 × 10 −11 metres to radio waves measured in metres. Light has properties of both a particle and an electromagnetic wave but not all the properties of either. The study of light and its interaction with matter is termed optics. the brightness that comes from the sun, fire, etc. ) that we can see. The main source of natural light on Earth is the Sun. But what exactly is light? We catch glimpses of its nature when a sunbeam angles through a dust-filled room, when a rainbow appears after a storm or when a drinking straw in a glass of water looks disjointed. . wgoh euxtgwx vacpw nryvw vhxcb ayjpmz wutprkdk vzupe teh cjyv