What Type of Wave is Sound?So what type of wave is sound? Sound waves fall into three categories: longitudinal waves, mechanical waves, and pressure waves. Keep reading to find out what qualifies them as such. Longitudinal Sound Waves - A longitudinal wave is a wave in which the motion of...
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What is the frequency of a sound wave with a period of 0.02 seconds? A. 20 Hz B. 50 Hz C. 100 Hz D. 200 Hz 相关知识点: 试题来源: 解析 B。频率等于周期的倒数,周期为 0.02 秒,频率 = 1/0.02 = 50Hz,所以选择 B 选项。反馈 收藏 ...
A sound wave is caused by energy that moves through air, water or other materials as tiny vibrations. For example, when an object like a cell phone vibrates, it creates a disturbance, which propagates as a sound wave. Properties of a Sound Wave ...
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A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water or any other liquid orsolidmatter) as it propagates away from the source of the sound. Sound waves are created by object vibrations and producepressure waves, for exam...
A wave is a self-sustaining disturbance of a medium. It can be simply defined as a disturbance of some kind or a change in equilibrium. When this disturbance occurs in the ambient pressure or the density, we perceive the sound wave. Therefore, sound is the disturbance of ambient pressure,...
Ah, you're lucky. I have the prettiest dress here in a twelve. Why don't you try it on? Text3 【原文】W: Do you think you can take care of everything in the office today? M: No problem. Just go home and take a rest. If there is anything I feel I cannot handle, I'll ...