Sound cannot travel through ___. A. air B. water C. solids D. vacuum 相关知识点: 试题来源: 解析 D。原因:文章明确指出“In a vacuum, there is no medium for sound to travel through, so sound cannot be heard.”。 反馈 收藏
百度试题 结果1 题目Sound cannot travel through _. A. steel B. glass C. vacuum D. water 相关知识点: 试题来源: 解析 C。声音不能在真空中传播。选项 A 钢中声音可以传播;选项 B 玻璃中声音可以传播;选项 D 水中声音可以传播。反馈 收藏
Click here:point_up_2:to get an answer to your question :writing_hand:what is vacuum explain why sound cannot travel through vacuum
题目What can we infer about sound waves? A. They can travel through a vacuum. B. They travel faster in air than in water. C. They are a form of electromagnetic radiation. D. They need a medium to travel. 相关知识点: 试题来源: ...
This is because sound cannot travel through ___. air vacuum glass Half-n-half Clue 2. The approximate speed of sound in air is ___ m/s. 5000 3 × 108 1600 330 Half-n-half Clue 3. Sounds travels faster in air as compared to water. True False 4. When sounds ...
of the virus. I got on a plane for the first time in July, went to Europe, did a festival, a bunch of gigs and a recording. It felt like the way I used to feel as a working musician from day to day. The travel part of it is not for the faint of heart. It was never reall...
D. they generally travel in a straight line B True or false. Frequency is an acoustic variable. False True or false. Pressure is an acoustic variable. True True or false. Propagation speed is an acoustic variable. False True or false. Wavelength is an acoustic variable. False True or ...
Preston Nichols (re: Philadelphia Experiment, Montauk, Time Travel, Hyper-physics) offers some insight into the "spiritual" magic of vacuum tubes in this interview. Electrons as sheets of waves in a vacuum, versus compartmentalization in semiconductive impure solid crystal. Electromagnetism as God; ...