Soundwaves vibrate the air to send audio in through the outer ear to the ear drum, which vibrates to send sound information to the brain for processing. How we hear sound: What happens when sound waves reach the outer ear? When sound waves reach the outerear, the auricle or pinna collec...
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 ...
The waves are crashing on the shore. It makes a sound like “splash”. What is the onomatopoeia for the sound of waves? A. splash B. chirp C. whirr D. squeak 相关知识点: 试题来源: 解析 A。解析:“splash”是海浪拍打海岸的拟声词。选项 B“chirp”通常表示鸟叫声;选项 C“whirr”通常...
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: ...
Why does my ear sound like an echo? An echo in the ear usually occurswhen sound waves start to have trouble passing through your inner ears. Many different factors cause a clogged ear. Even though some causes are minor, many require seeking medical attention from experts, like those at Inte...
Sound is a mechanical wave.The physics of waves helps to explain the process by which sound is produced, travels, and is received. Sound is a wave that is produced by objects that are vibrating. It travels through a medium from one point, A, to another point, B. ...
Now we have a good idea what the Red Planet sounds like – but what about other places that have atmospheres thick enough to carry sound waves? The Soviet Union’s Venera 13, which landed on Venus in March 1982, was the first spacecraft to record sounds on another planet. These include...
百度试题 结果1 题目用正确的介词或副词填空。 A: What can you hear the background? B: The sound waves. 相关知识点: 试题来源: 解析 in:0f 反馈 收藏
The sound of the ocean waves is soothing. What does “soothing” mean? A. annoying B. relaxing C. exciting D. frightening 相关知识点: 试题来源: 解析 B。本题考查形容词的词义。A 选项“annoying”表示令人烦恼的;B 选项“relaxing”表示令人放松的;C 选项“exciting”表示令人兴奋的;D 选项“...
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