Sound is produced by vibrations. When an object vibrates, it makes sound. How is sound produced? A. By colors. B. By vibrations. C. By shapes. 相关知识点: 试题来源: 解析 B。解析:声音是由振动产生的,B 选项正确。A 选项颜色和声音产生无关,C 选项形状也不是声音产生的原因。
Sound is produced by vibrations. This is a scientific ___. A. rule B. law C. fact D. principle 相关知识点: 试题来源: 解析 C。解析:声音是由振动产生的,这是一个科学事实。选项 A 规则、选项 B 法律、选项 D 原理都不准确。反馈 收藏 ...
Sound is produced by vibrations. What is the speed of sound in air? A. 340 meters per second. B. 340 kilometers per hour. C. 3400 meters per second. D. 3400 kilometers per hour. 相关知识点: 试题来源: 解析 A。解析:声音在空气中的传播速度是 340 米每秒。选项 B、C、D 速度错误。
{{B}}TEXT B{{/B}}Sound is produced by A.vibrations of an object passing through the air.B.spreading of waves after a rock being tossed into a pond.C.thunders.D.a flying plane. 相关知识点: 试题来源: 解析 A [设题处] 事实处设题[解析] 定位于第三段第一句Sound is produced by vi...
To answer the question "Sound is produced by vibrations of ... located in the ...", we need to identify the correct terms to fill in the blanks.1. Identify the Components of Sound Production: -
Sound enters the ear () Tympanic membrane () vibrates Ossicles vibrate Sound is transmitted as bony vibrations through the,, and finally. Vibrations from the stapes cause the of the inner ear to vibrate, which pushes it inward and the pushes the outward This causes a in the inner ear This...
Chapter 13 Sound Properties of Sound – the source of all sound waves is vibration Sound waves – longitudinal waves – the particles in the medium are. CP Physics Ms. Morrison. Mechanical – needs medium Longitudinal Created by vibrations which disturb the medium and transmi...
The sound you hear is carried bythe vibrating air as a sound wave(声波).The faster something vibrates, thehigher the sound it makes. The slower it vibrates, the lower thesound is. The number of vibrations something makes per second iscalled the frequency of the sound.A loud sound makes...
The sensation of sound is produced how vibrations transmitted through the air strike the eardrum.相关知识点: 试题来源: 解析 C 答案:C分析:根据句意,应将how改为when。改正:how → when翻译参考:当通过空气传播的振动冲击鼓膜时,人就听到声音了。
Sound is produced by [A] vibrations of an object passing through the air. [B] spreading of waves after a rock being tossed into a pond. [C] thunders. [D] a flying plane.的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答