what is light? describe clearly.
how does it travel?
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Answer: Light is a form of energy produced by a light source. Light is made of photons that travel very fast. Photons of light behave like both waves and particles.
Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space. (Sound, on the other hand, must travel through a solid, a liquid, or a gas.)
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Answer:
Light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye.
Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along.
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