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Light is electromagnetic radiation. A particular frequency of this radiation (around 390-700 nm) is visible to the human eye. Everything that we see around us is because of light. Light is a form of energy and like all energies, it is produced from a source. In Physics, these are called light sources.
Jun 11, 2024 · light, electromagnetic radiation that can be detected by the human eye. Electromagnetic radiation occurs over an extremely wide range of wavelengths, from gamma rays with wavelengths less than about 1 × 10 −11 metre to radio waves measured in metres.
Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that comes from them.
4 days ago · The Sun is one of the major sources of light for our planet Earth. The Sun is considered as a massive ball of fire that produces massive energy by the nuclear fusion at its centre. This energy from the Sun comes out in the form of light and heat.
What are sources of light? That is any source or object which can emits its own light is a source of light. Luminous objects also known as anything that gives off light(light sources) of its own is said to be luminous. Every source of light is a luminous object.
The main source of natural light on Earth is the Sun. Historically, another important source of light for humans has been fire, from ancient campfires to modern kerosene lamps. With the development of electric lights and power systems, electric lighting has effectively replaced firelight.
A firefly, the Sun and a candle are all light sources. How do we see light? light reflects off things and enters our eye through the pupil. it passes through the lens which focuses...
