where p is the density of the medium through which the sound is passing, c is the speed of the sound wavef is the frequency of the sound waveand K is a constant.Show that K has no units. 相关知识点: 试题来源: 解析为了确定常数 K 的单位,我们可以分析声强公式中所有涉及的物理量及其单位...
Related to Amplitude (wave motion):amplitude modulation am·pli·tude (ăm′plĭ-to͞od′, -tyo͞od′) n. 1.Greatness of size; magnitude. 2.Fullness; copiousness. 3.Breadth or range, as of intelligence. 4.AstronomyThe angular distance along the horizon from true east or west to ...
Related to Amplitude (wave motion):amplitude modulation amplitude amplitude(ămˈplĭto͞odˌ), in physics, maximum displacement from a zero value or rest position. In theharmonic motionof a pendulum, the amplitude of the swing is the greatest distance reached to either side of the centr...
Standing wave, combination of two waves moving in opposite directions, each having the same amplitude and frequency. The phenomenon is the result of interference; that is, when waves are superimposed, their energies are either added together or canceled
When a mechanical wave propagates through a physical medium, the particles of the medium oscillate about their mean positions with their positions being sinusoidal functions of time. The maximum displacement of each particle relative to its mean position is the amplitude of the w...
17 A plane wave of amplitude A is incident on a surface of are a S placed so that it is perpendicular to the direction of travel of the wave. The energy per unit time reaching the surface is E.The amplitude of the wave is increased to 2 A and the are a of the surface is reduced...
结果1 题目Pitch is determined by the ___ of the sound wave. A. amplitude B. frequency C. wavelength D. speed 相关知识点: 试题来源: 解析 B。原因:文中提到“Pitch is determined by the frequency of the sound wave.”。 反馈 收藏
For the depicted random wave train, the magnitude of dynamic seabed pressure relies on the amplitude of the single wave crest and trough. As expected, wave crests cause positive transient pore pressure, whilst the transient pore pressure becomes negative under wave troughs. In the same vein, the...
Amplitude is the distance from the middle line of the wave or the medium at rest, to either the crest of the wave or the trough. Amplitude can also be found by dividing the wave height by 2. How do you explain amplitude? Amplitude is the amount of energy that is transported or ...
百度试题 结果1 题目( ) is indicated by the height of a wave within a given period of time. A. Amplitude B. Frequency C. Analog signals D. Digital signals 相关知识点: 试题来源: 解析 A ? 正确答案:A反馈 收藏