“Reflection” is when sound waves bounce off a flat surface. “Plane reflection” is when the sound bounces off a flat surface at an angle equivalent to the angle it came at the surface, like a ball bouncing off the side of a pool table. “Parabolic reflection” is when the sound boun...
When sound waves bounce off a surface. Echolocation Is when an animal produces high pitched sounds that travel out from the animal and then bounce back after hitting something. Animals such as bats and dolphins use echolocation to avoid hitting objects and to find food. ...
百度试题 结果1 题目(2)Short sound waves bounce off even small objects. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
This combination allows sound waves to bounce around from surface to surface, creating echoes and reverberations in their wake. Not only can these noises be distracting, but they can make it difficult for customers to hear one another, leading to a subpar social experience. Noisy machinery –...
Reverberation is to sound what reflection is to light. Also known as resonance, reverberation refers to the amount of time it takes a sound to dissipate. As sound waves bounce off surfaces in interior spaces, such as ceiling tiles and wall panels, noise builds up and reflects back on itself...
The air molecules bounce back and forth a bit but don't really travel anywhere.We call that type of wave longitudinal, like this:But people show sound as "up-down" waves because it is easier to show that way.Audio SpectrumA low frequency of vibration has a low pitch and makes a deep...
When sound radiates from an object, it can reach an observer directly by traveling in a straight line, or indirectly via reflections. Reflected sound waves can bounce off surfaces such as walls, the floor, ceiling, as well as other objects in the area. Often when we experience sound, w...
百度试题 结果1 题目① They make noises and wait for sound waves, or an echo, to bounce(bounce)back off objects. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
diffraction effects. The sound leaked to the room is rapidly diffusing. The important feature is that a sound from such a gobo produces no flutter effect. Sound that does bounce off a wall is absorbed by the backside of the gobo traps. The system can also be used near walls with minimal...
aWith radar,however,the waves are radio waves instead of sound waves.Radio waves travel at the speed of light,about 300,000 kilometers in one second.A RADAR SET SENDS OUT A SHORT BURST OF RADIO WAVES.Then it receives the echoes produced when the waves bounce off objects.By determining ...