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17 November, 19:13

What is the main difference between mechanical and electrical waves?

1. mechanical waves involve transfer energy and, electromagnetic waves do not

2. mechanical waves require a medium to travel in and, electromagnetic waves do not

3. mechanical wave altitude and wavelength and, electromagnetic waves

4. mechanical waves speed and frequency and, electromagnetic waves

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  1. 17 November, 20:16
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    Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission. Electromagnetic waves travel in a vacuum whereas mechanical waves do not
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