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Simply so, what is the definition of light and sound?

sound-and-light show. sound-and-light show. noun. A theatrical entertainment presented at night in a historic, usually outdoor setting, using recorded sound, lighting, and other effects to relate the history of the place. Also called son et lumière .

why is light and sound important? One of the most important facts to understand about both light and sound is that both are forms of energy that move in waves. While they are both forms of energy that travel in the form of waves, there are vital differences between sound waves and light waves. Sound and light travel at significantly different speeds.

Beside above, what is the difference between light and sound?

Light is a transverse wave and sound is a longitudinal wave. Light can travel in a vacuum, sound requires a medium. Anyway sound is a form of energy which gives you a sense of hearing and light gives you a sense of vision. Sound is a mechanical wave whereas light is an EM wave.

Does light have a sound?

Light is made up of particles called photons, and photons have no mass, so they have no weight. However, a strong gravitational field can bend light and that sounds like they do have mass. If you can get air molecules to move together to transport momentum through the air, that motion is sound.