1. What is the definition of sound waves and how is the sound produced? A sound wave is the pattern of a disturbance generated by the flow of energy as it propagates away from the source of the sound across a medium (such as air, water, or any other liquid or solid matter). When ...
百度试题 结果1 题目___phonetics is concerned with how a sound is produced by the vocal organs.___ 相关知识点: 试题来源: 解析 Articulatory 发音语音学研究声音是如何通过发音器官形成的。反馈 收藏
How does a musician playing on a flute change the pitch of sound produced by it? View Solution The kind of sound produced by vibrations of irregular pattern View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions ...
How sound is produced The vibration of the head shakes the entire drum Striking the head of the drum changes its shape and compresses the air inside the shell. The compressed air presses on the bottom head and changes its shape. Then, these changes are transmitted to the drum shell and re...
VOICE: 牛津词典的解释 the sound(s) produced through the mouth by a person speaking or singing 人类讲话或者唱歌时候的嗓音。猫狗牛羊等辣些动物的叫声不是VOICE�� ! 13:34 1. adenoidal/ˌædəˈnɔɪdl/: An adenoidal voice isone that sounds as though you are talking through yo...
(i) Sound is produced by vibrations. (ii) Sound requires a medium for propagation. (iii) Light and sound both require a medium for propagation. (iv) Sound travels slower than light. View Solution Assertion (A) : The pitch of the sound produced by the vibrating string can be changed. ...
Let students give the answers and guide them to discuss. 2. Finding out:(using pictures) 1Show the pictures of beating a drum, playing a guitar and a wind-bell. Ask: How is sound produced?(Vibration can produce sound. ) 2Show the pictures of an aeroplane, asymphony orchestraand a fire...
Because of this linking the words in a sentence do not always sound the same as we they are said individually. Sound leaking is probably the biggest problem for learns of English. When they try to understand a native speakers words. If you recognize some the liking white living, you will ...
Let students give the answers and guide them to discuss.2. Finding out: (using pictures) Show the pictures of beating a drum, playing a guitar and a wind-bell. Ask: How is sound produced?(Vibration can produce sound. )Teaching ProceduresPe 5、rsonal View Show the pictures of an ...
The researchers don't know how the sounds are made,but they believe the noise comes from the breaking of air bubbles( 泡) in the plants.This means the noise produced by the plants is not on purpose. Animals and insects may benefit from the sound.For example,the sound...