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Both sound and light travel in wave but they do not transfer energy in the same way.

Sound travels through a medium but light does not.

Sound energy comes from the vibration of the medium's particles eg when we hear a noise it is the vibration of the air particles that in turn vibrate our ear drum that transfers the information to our brain. Sound can travel through water or steel but not through a vacuum.

Light does not need a medium in which to travel. It is a form of electromagnetic radiation. The energy comes from the frequency of the radiation.

pucktana New Zealand

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