大學(xué)物理學(xué)：Review-2014中文版

1、Review (2)Oscillations and WavesOscillation equation and simple harmonic solution:Basic properties (?)Simple harmonic motion and uniform circular motionDamped harmonic motionForced oscillation and resonancePropagation of oscillation waveDefineAt y1 and y2 have the values ,respectively.Simple Harmoni

2、c WavesWave Equation and its solutionEnergy and Power of WavesInterference of WavesStanding WavesThe Doppler Effect1. 寫出振動(dòng)的基本特性及其與微分方程之間的關(guān)系。2. 簡諧振動(dòng)的勢能和動(dòng)能有什么特點(diǎn)？3.為什么可以用勻速圓周運(yùn)動(dòng)（或者旋轉(zhuǎn)矢量）描述簡諧振動(dòng)？4. 如何用矢量合成方法研究振動(dòng)的疊加？5. 阻尼振動(dòng)有什么特點(diǎn)？6. 什么是共振？7.相互垂直振動(dòng)的合成如何描述？關(guān)于振動(dòng)的思考題1. 波是如何產(chǎn)生的？2. 波源振動(dòng)與媒質(zhì)振動(dòng)和波傳播的關(guān)系。3. 波速?zèng)Q定于什么？4. 波

3、動(dòng)方程的解有什么特征？5. 波的疊加原理有什么重要作用？6. 波的干涉、駐波和拍各有有什么特征？它們產(chǎn)生的條件是什么？7. 如何描述波的動(dòng)能和勢能？波的能量特性和傳輸特性有什么分別？8. 如何確定聲波的強(qiáng)度？9. 什么是多普勒效？關(guān)于波的思考題Electromagnetic Oscillations1 LC Oscillations, Qualitatively2. Damped Oscillations in an RLC Circuit 12CLKRwhere , and . Electromagnetic WavesMaxwell Equations in free space:The

4、stationary solutions:Energy Transport and the Poynting Vector In one period,where PolarizationUnpolarized light passing through a polarizing sheet, the light intensity is given byA polarized light passing through a polarizing sheetReflection and RefractionTotal Internal Reflection When the refractio

5、n angle 90, then refraction rays cannot be observed,Brewsters Law For light incident at the Brewster angle qB, the sum of incident angle and the refraction angle is equal to 90:At the Brewster angle qB, the reflected light has only perpendicular components, as shown in the figure .From air to a glass sheet, n2/n1 1.5, qB57.干涉（Interference）Youngs InterferenceIf I1 = I2, then It can be shown that for electromagnetic wave, two light intensities I1, I2 , their superpo