How are mechanical waves defined? (1 point)
Responses
They are waves that involve matter, rather than energy, moving from one place to another.
They are waves that require some form of matter as a medium.
They are waves that can pass through a vacuum.
They are waves that are generated by humans rather than naturally.
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They are waves that require some form of matter as a medium.
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Mechanical waves are actually defined as waves that require some form of matter as a medium. Unlike electromagnetic waves, which can travel through a vacuum, mechanical waves need a material substance, like air, water, or solids, to propagate. So, the answer is: They are waves that require some form of matter as a medium.
The correct answer is: They are waves that require some form of matter as a medium.
The correct answer is: They are waves that require some form of matter as a medium.
To understand why this is the correct answer, let's break down the options:
1. They are waves that involve matter, rather than energy, moving from one place to another.
This option is incorrect because all waves involve the transfer of energy, not matter. Mechanical waves, like all waves, transfer energy from one place to another.
2. They are waves that require some form of matter as a medium.
This option is correct. Mechanical waves, such as sound waves or waves in water, need some substance or medium to propagate through. In other words, mechanical waves require particles of matter to vibrate and pass the energy along.
3. They are waves that can pass through a vacuum.
This option is incorrect. Mechanical waves cannot pass through a vacuum. A vacuum is a space devoid of matter, so mechanical waves, which require a medium, cannot exist in a vacuum.
4. They are waves that are generated by humans rather than naturally.
This option is incorrect. Mechanical waves can be generated both naturally and by humans. Examples of natural mechanical waves include seismic waves (generated by earthquakes) and ocean waves. Human-generated mechanical waves include sounds produced by musical instruments or machines.
To summarize, mechanical waves are defined as waves that require some form of matter as a medium for propagation.