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。
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...
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: -
[难句分析★ The vibrations travel in waves.振动以波的形式传播。travel此处意为“传播”。wave作名词,意为“(光、声、无线电等的)波;波浪”,作动词意为“挥手,挥舞”。 结果一 题目 hat is sound?Sound isWcreated when an objectvibrates(振动).Thevibrations travel in waves.Sound waves reach our ...
An earthquake is the shakingandvibrationofthe surface of the earth caused by underground movement along an earthquake fault. studyinaustralia.gov.au studyinaustralia.gov.au 地震是沿地震断层的地下运动造成的地球表面的摇晃和震动。 studyinaustralia.gov.au ...
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.请帮忙给出正确答案和分析,谢谢!
The sensation of sound is produced how vibrations transmitted through the air strike the eardrum.()A.The sensationB.soundC.howD.strike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案,刷题练习的工具.一键将文档转化为
Sound is produced byA.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.