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In physics, the term "light" may refer more broadly to electromagnetic radiation of any wavelength, whether visible or not. [4][5] In this sense, gamma rays, X-rays, microwaves and radio waves are also light. The primary properties of light are intensity, propagation direction, frequency or wavelength spectrum, and polarization.
It’s not as odd as it might seem, either. Particles and waves are sometimes conceived as opposites, but they’re not. Also, light is not the only thing that exhibits behavior of both particles and waves. Other quantum entities also have this behavioral duality, and wave-particle duality is a key focus of the study of quantum mechanics.
Light does not carry any charge itself, so it does not attract or repel charged particles like electrons. Instead light is an oscillating electric and magnetic field. If you take an electron and put it in a static electric field (e.g. around a Van de Graaff Generator) then the electron feels a force due to the field and will move.
In physics, light is a type of electromagnetic radiation that is visible to the eye. Light has the unique property that it can be described in physics as both a wave and as a stream of particles called photons. On this page we will describe some of the behaviors of light as a wave including reflection, refraction, and diffraction. Reflection.
The speed of light. The speed of light in air is very close to 300 000 000 m/s. which is nearly a million times faster than the speed of sound, which is 340 m/s. 300 000 000 m/s is often written ...
In Lesson 1, we will investigate the variety of behaviors, properties and characteristics of light that seem to support the wave model of light. On this page, we will focus on three specific behaviors - reflection, refraction and diffraction. A wave doesn't just stop when it reaches the end of the medium. Rather, a wave will undergo certain ...
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The fields vibrate at right angles to the direction of movement of the wave, and at right angles to each other. Because light has both electric and magnetic fields, it's also referred to as electromagnetic radiation. Electromagnetic radiation doesn't need a medium to travel through, and, when it's traveling in a vacuum, moves at 186,000 miles ...
