Which type of waves does radar use A.Sound.B.Heat.C.Radio.D.Light. 相关知识点: 试题来源: 解析 C [分析] 细节题型 根据文章介绍的雷达工作的基本原理,见文中第 行:With radar, however, the waves are radio waves instead of sound waves. (然而,雷达所使用的不是声波而是无线电波);因此选项C为...
A. which was faster, sound waves or electricity B. whether Rose was cleverer than the boy C. whether she could call her brother in Washington D. whether her students could hear her from 20 metres away 相关知识点: 试题来源: 解析 A Miss Green希望她的学生们了解声波和电的速度比较。选项A...
asomeone like you 某人喜欢您[translate] aHave fun! 获得乐趣![translate] awhich depends on sound waves thet hit something and go back to the dolphin to show where the food is 正在翻译,请等待...[translate]
Getting a great snare drum sound that cuts through the mix can be tricky. In this video we show you a quick way to compare different snare processing chain presets in Waves StudioVerse, and choose the one that’s best for you. Which of the 5 chains in this video sounds best to you?
6.Sound waves travel in the air in much the same way ___ water waves spread on the water.A.asB.thatC.whereD.in which 8.It wasn’t such a good present ___ he had promised me.A.thatB.asC.whichD.what 讲讲为什么,主要是什么时候
A. Sound waves in air B. Water waves on the surface of a lake C. Waves in a slinky spring D. Seismic P-waves 相关知识点: 试题来源: 解析 B。水面上的水波是横波的例子。选项 A,空气中的声波是纵波。选项 C,弹簧中的波可以是纵波也可以是横波,不一定。选项 D,地震中的 P 波是纵波。反馈...
百度试题 结果1 题目27 Four sound waves are displayed on the screen of a cathode-ray oscilloscope.Which sound wave gets louder and has a pitch that decreases? B AB CD 相关知识点: 试题来源: 解析 B 反馈 收藏
Sound Waves:Sound waves that you can hear are produced by the vibrations of objects then it reaches your ear. The frequencies of sounds you can hear are above the infrasonic frequency of 20 Hz and below the ultrasonic frequency of 20,000 Hz....
aInstead,this dolphin uses echolocation which is sound waves that hit something and go back to the dolphin to show it where the food is. Instead, this dolphin uses echolocation which is sound waves that hit something and go back to the dolphin to show it where the food is.[translate]...
Answer to: The membrane at the end of the outer ear, which vibrates in response to sound waves, is the a. eardrum. b. oval window. c. organ of...