Respuesta :
Answer;
Electromagnetic wave
Explanation;
Electromagnetic waves are waves that do not require a material medium for transmission, they include, x-rays, gamma rays, visible light etc.
Electromagnetic Waves
Explanation:
Electromagnetic waves do not require a medium to propagate whereas mechanical wave does.
Example: Sound wave is mechanical wave. It needs a medium to transfer energy from one place to another.
And, X-rays. These are electromagnetic waves & these transfer energy via electric & magnetic fields.
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