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Waves
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What type of energy does light travel?
Light travels in waves and is the only form of energy visible to the human eye. What is light energy? Light energy is a form of electromagnetic radiation of a wavelength, which can be seen by the human eye. It is a type of kinetic energy. How does light travel? Light energy travels in the form of waves.
How does light travel in space?
This continues ad infinitum, creating an electromagnetic wave, traveling in space. This is how light travels, as a disturbance or ripple in the electromagnetic field. n short, an accelerated charge radiates electromagnetic waves. Mathematically, this relation can be understood through the solution of Maxwell鈥檚 equations for free space.
What happens to light waves when they travel through vacuum?
In contrast, light waves can travel through a vacuum, and do not require a medium. In empty space, the wave does not dissipate (grow smaller) no matter how far it travels, because the wave is not interacting with anything else.
How do sound and light waves travel?
There is one more aspect of wave travel to consider, which applies to both sound and light waves. As a wave travels from a source, it propagates outward in all directions. Therefore, it fills a space given approximately by the surface area of a sphere.
