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Electromagnetic wave
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- Light is what's called an "electromagnetic wave", just like radio waves, microwaves, X-ray waves, etc. Electromagnetic waves typically start when an electric charge jiggles back and forth.
van.physics.illinois.edu/ask/listing/2000
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.
21 hours ago · According to Sapienza, this isn't the right question to be asking. "Light is not sometimes a particle and sometimes a wave," he said. "It is always both a wave and a particle. It's just that we ...
Electromagnetic waves are not limited to visible light. For example, radio waves are simply very long wavelength "light". X-rays and gamma rays are very short wavelength "light". Light doesn't vibrate. Rather, the electromagnetic field supports propagating "disturbances".
Photons also have no charge. Photons represent the entire spectrum of electromagnetic radiation. This includes radio waves, gamma-rays, and visible light. Like many other particles governed by quantum mechanics, photons have the characteristics of both waves and particles.
Feb 24, 2016 · Light is a particle (a photon), that acts like a wave ("both a particle and a wave"), which can be measured as an excited quantized state of the electromagnetic field.
May 24, 2024 · We know that light is a wave based on how it behaves – it exhibits the same properties of other waves we have examined – it interferes with itself, it follows an inverse-square law for intensity (brightness), and so on.
Dec 28, 2020 · In plain terms, electromagnetic waves are simply what we know as light. Unlike most waves, however, electromagnetic waves do not require a medium through which to propagate. Photons or electromagnetic radiation exhibit what is called particle-wave duality.
