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...
The Sound of Silence - Pentatonix【Hi-Res】百万级装备试听 03:35 Can We Kiss Forever? - Kina, Adriana Proenza【Hi-Res】百万级装备试听 03:09 Beat It - Michael Jackson【Hi-Res】百万级装备试听 04:24 I Really Like You - Carly Rae Jepsen【Hi-Res】百万级装备试听 03:29 Sugar - Maroo...
What kind of waves are sound waves produced in air ? View Solution With the help of an activity show that sound cannot travel through vacuum. View Solution What type of wave is a sound wave? Give reason for your answer. View Solution ...
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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Theirstayin Elkheadisthesubjectofnothing Daunted:TheUnexpectedEducationofTwoSocietyGirlsinthe West byDorothy Wickenden, whoisamagazineeditorandDorothyWoodruff?s granddaughter. Whydidtheygothen? Well,theywantedto dosomethinguseful.Soon,however,theyrealizedwhattheyhadundertaken. Theymovedinwithalocalfamily,the...
A. The birds are facing serious dangers. B. Different kinds of birds live together. C. Some birds are attracted to the poles. 20. What is Christina’s suggestion concerning the birds? A. Drive them away. B. Feed them regularly. C. Do research on them. ...
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...