To describe the physical properties of speech sounds,a___ phoneticians use spectrographs to record the sound waves.相关知识点: 试题来源: 解析 正确答案:acoustic 解析:本题主要考查声学语音学。声学语音学家们尝试去描述说话者所发出的声流的物理特性。为了描述这些特性,他们使用一种叫做声谱仪的机器记录...
3 This question is about sound waves.(a)Describe an experiment to measure the speed of sound in air.You may draw a diagram to help your answer.(5)(b)An oscilloscope can be used to determine the frequency of a sound wave.The diagram shows an oscilloscope trace of a sound wave.Oscillosco...
As I step onto the beach, I am greeted by the soothing sound of the waves crashing against the shore.The sand beneath my feet is soft and warm, a testament to the perfect balance of nature.The scent of the sea breeze is refreshing, carrying with it the promise of adventure and relaxati...
I would also add some beach-themed decor, such as seashells and driftwood, to create a relaxing and cozy atmosphere.Living by the beach has always been a dream of mine. I love the sound of the waves crashing against the shore and the fresh sea breeze. It would be the perfect place to...
1 (a)Describe the difference between longitudinal and transverse waves...[2](b) A loudspeaker emits a sound wave. A microphone is connected to an oscilloscope. The trace produced on the screen of the oscilloscope due to the sound wave is shown in Fig. 1.10mV0.50ms Fig. 1The vertical...
describe the propagation of sound waves in rigid tubes using a simple approach that derives a telegraph equation with frequency-independent parameters from the lossless wave equation by relaxing one assumption: that the dynamical variables are constant over the entire cross-sectional area of the tube....
B.TheinfluenceofthesonicboomC.ThewavesintheairandwaterD.Theintroductiontothesound 相关知识点: 试题来源: 解析 (1)细节理解题。根据第二段OnMarch20,ameteorcreatedasonicboomoverpartsoftheUKandFrance.(3月20日,一颗流星在英国和法国的部分地区产生了音爆。)可知,一颗流星在英国和法国的部分地区产生了音爆...
Tuning Fork – notice how the sound spreads out in all directions. You can also see the reflection of some of the sound waves, as well. Tuning Fork Sound Waves Time-lapse showing the compressions moving through the medium First second Second 2 Third second Fourth second Fifth second Sixth se...
The frequency pertains to pitch of the sound waves which determine the volume of the sound level. The frequency is inversely proportional to the wavelength. The wavelength changes if there is relative motion between the source of the sound and the observer....
The sound of running water, especially a streambubbling or the ocean waves crashing, should make them think of blue.39 When there is thunder and falling rain, the sky is grey and it makeseverything look more grey.40 People commonly relate colors tocertain emotions, and many studies have ...