Properties of waves,including light and sound波的性質(zhì)包括光和聲是GCSE物理學(xué)習(xí)中的第三部分內(nèi)容，下面A+國(guó)際教育小編就帶大家了解一下這部分內(nèi)容所涉及的GCSE物理知識(shí)點(diǎn)以及公式，來(lái)幫助同學(xué)們加深這部分內(nèi)容的學(xué)習(xí)印象。
3.1 General wave properties普通波的性質(zhì)
1-describe what is meant by wave motion as illustrated by vibration in ropes,springs and by experiments using water waves
通過(guò)用波動(dòng)的意義解釋繩子，彈簧和水波的振動(dòng)試驗(yàn)
2-use the term wavefront用波振面
3-give the meaning of speed,frequency,wavelength and amplitude
給出速率，頻率，波長(zhǎng)和幅度的意義。
4-recall and use the equation v=fλ
記住和應(yīng)用等式速率=平率×?xí)r間
5-distinguish between transverse and longitudinal waves and give suitable examples
區(qū)分橫波和縱波并且舉出合適的例子。
6-describe the use of water waves to show用水波描述
(i)reflection at a plane surface平面反射
(ii)refraction due to a change of speed折射由于速率的改變。
(iii)diffraction produced by wide and narrow gaps
通過(guò)寬的或窄的縫隙產(chǎn)生衍射。
7-interpret reflection,refraction and diffraction using wave theory
用波的理論解釋反射，折射和衍射。
3.2 Light光
(a)Reflection of light光的反射
1-describe the formation,and give the characteristics,of an optical image by a plane mirror
描述形成，給出特點(diǎn)在平面鏡中呈現(xiàn)的光學(xué)圖像。
2-use the law angle of incidence=angle of reflection會(huì)用入射角等于反射角
3-perform simple constructions,measurements and calculations
演示簡(jiǎn)單的結(jié)構(gòu)測(cè)量和計(jì)算。
(b)Refraction of light光的衍射
1-describe an experimental demonstration of the refraction of light
描述一個(gè)實(shí)驗(yàn)解釋光的衍射現(xiàn)象。
2-use the terminology for the angle of incidence i and angle of refraction r and describe the passage of light through parallel-sided transparent material
會(huì)用術(shù)語(yǔ)入射角i折射角r并且描述光通過(guò)兩個(gè)透明的平行板。
3-give the meaning of critical angle
給出一些重要角度的意義。
4-describe internal and total internal reflection
描述內(nèi)部的和總的反射
5-recall and use the definition of refractive n in terms of speed
記住和應(yīng)用以速度定義折射率n.
6-recall and use the equation sin i/sin r=n記住和應(yīng)用等式sin i/sin r=n
7-describe the action of optical fibres描述纖維光學(xué)的作用。
(c)Thin converging lens薄的匯聚透鏡
1-describe the action of a thin converging lens on a beam of light
描述薄聚焦透鏡對(duì)一束光的作用。
2-use the term principal focus and focal length
會(huì)用主焦點(diǎn)和焦距。
3-draw ray diagrams to illustrate the formation of a real image by a single lens
用光線圖來(lái)解釋通過(guò)單鏡頭形成的實(shí)相。
4-draw ray diagrams to illustrate the formation of a virtual image by a single lens
畫光線圖來(lái)解釋通過(guò)單鏡頭形成的虛像。
5-use and describe the use of a single lens as a magnifying glass
用和描述利用一個(gè)單鏡頭作為一個(gè)放大鏡。
(d)Dispersion of light光的分散
1-give a qualitative account of the dispersion of light as illustrated by the action on light of a glass prism
定性的分析當(dāng)光通過(guò)棱鏡分散的行為
(e)Electromagnetic spectrum電磁波譜
1-describe the main features of the electromagnetic spectrum and state that all e.m.waves travel with the same high speed in vacuo
描述電磁波的主要特點(diǎn)和描述所有的波以同樣的速度在真空中傳播。
2-state the approximate value of the speed of electro-magnetic waves
描述電磁波速度值。
3-use the term monochromatic
用單一的一色的。
3.3 Sound聲音
1-describe the production of sound by vibrating sources
描述聲音是由振動(dòng)產(chǎn)生。
2-describe the longitudinal nature of sound waves
描述聲音的縱向特性。
3-state the approximate range of audible frequencies
描述可聽(tīng)得見(jiàn)波的大概頻率。
4-show an understanding that a medium is required in order to transmit sound waves
展示和理解聲音的傳播需要介質(zhì)。
5-describe an experiment to determine the speed of sound in air
描述一個(gè)測(cè)量聲音在空氣中傳播的速度。
6-relate the loudness and pitch of sound waves to amplitude and frequency
聲波的響度和音調(diào)與振幅和頻率之間的關(guān)系。
7-describe how the reflection of sound may produce an echo
描述聲音的反射產(chǎn)生回聲。
8-describe compression and rarefaction
描述壓縮和稀疏
9-state the order of magnitude of the speed of sound in air,liquids and solids
描述液體和固體在空氣中傳播速率大小的順序。
以上就是A+小編關(guān)于Properties of waves,including light and sound部分的GCSE物理知識(shí)點(diǎn)的整理和總結(jié)，同學(xué)們可以作為這部分學(xué)習(xí)中的一份參考。如果在學(xué)習(xí)中還有什么疑問(wèn)，歡迎隨時(shí)咨詢A+國(guó)際教育課程輔導(dǎo)老師，讓老師一對(duì)一為你進(jìn)行專業(yè)的課程輔導(dǎo)工作吧！
