根据文章第七段Now some companies are using a simple invention called a bubble curtain, which makes sound waves passing through it lose energy and get quieter.可知,现在一些公司正在使用一种简单的发明,称为气泡幕,它使通过它的声波失去能量,变得更安静。所以气泡幕是用于D.reduce construction noise降低施工...
Therefore, sound travels much faster through solids than through liquids or gas. When understanding the speed of sound through different mediums or materials, there are several factors to consider besides density. 1. Elastic Properties Elastic properties are the properties of a material that allow ...
The Slinky ® behaved something like molecules of air when sound travels through it. When air is vibrated, it is first “compressed” or squeezed together. The air is then “rarified” or spread apart. This is repeated over and over as the source of the sound vibrates back and forth an...
—Do you know sound travels very fast—Yes. But light travels ___ sound.A.as fast asB.a bit faster thanC.slower thanD.much faster than 免费查看参考答案及解析 题目: Which of the following words has the same sound as the underlined letter of the word “anybody”A.safetyB.manyC.ances...
Water waves shake energy over the surface of the sea, while sound waves thump energy through the body of the air. Sound waves are compression waves. They're also called longitudinal waves because the air vibrates along the same direction as the wave travels....
According to Huygens, medium through which light waves travel is View Solution What happens to the medium through which sound travels? View Solution (a) Does the medium through which sound passes also move ? (b) What role does a medium play in the propagation of sound ?
In physics, a wave is a disturbance that travels through a medium such as air or water, and moves energy from one place to another. Sound waves, as the name implies, bear a form of energy that our biological sensory equipment -- i.e., our ears and brains
When sound travels through one medium and passes into another, such as from the air into a solid surface, part of the sound wave is inevitably reflected back through the air. That’s why you can hear yourself so much better indoors: the walls reflect your own voice back at your ears....
2.Light travels at a speed which is about a million times faster than the speed of sound.In one second.light travels about 300.000km.but sound travels only 344m.You can get some idea of this difference by watching the start of a race.If you stand som
-是的,它是一个规律. 解答 答案:C;flies,飞( fly的第三人称单数 );spreads展开; 伸开; (使); travels行进( travel的第三人称单数 ) 步行; 经过;walk行走;Light travels faster than sound,固定说法,光比声音传播得快.故选C. 点评 首先根据语境,细读选项,然后通过题干中的已供信息,捕捉到解题线索....