Reflectionoflight 1Youcanhaveaviewofyourselfifyoulookinto ✓amirror.✓calmwatersurface.✓apieceofshinymetalwall.✓apieceofwindowglass.2Nowyoulookintoamirrorandseetheimageofyourself.Infrontofthemirror.Onthesurfaceofthemirror.✓Behindthemirror.3Alexsays,‘Yourmirrorimageissmallerthanyourself’.Doyou...
Refraction of Light When a ray of light traveling through a transparent medium encounters a boundary leading into another transparent medium, part of the ray is reflected and part of the ray enters the second medium. The ray that enters the second medium is bent at the boundary. This bending ...
Reflection The change in direction of an electromagnetic wave (ex: light) at a surface that causes it to move away from the surface Diffuse reflection- light reflected in many different directions from a rough, textured surface Specular reflection- light reflected in one direction from a smooth, ...
Lecture 7 - Reflection and refraction of light Lecture7 ReflectionandRefractionofLight 1 WhatisLight?Lightisaparticle Lightisawave Sometimesitisawave,sometimesitisaparticle 2 Thedualparticle/wavenatureoflight EnergyinEnergyout Abeamoflightcanbethoughtofas…(Newton/Planck/Einstein)…afluxofparticles …an...
课前篇自主预习课堂篇互动探究 课前篇自主预习 Ⅰ.知识体系图解 重点词汇 1.resource n.资源;(教学)资源 2.misadventuren.事故;灾难 3.remindv.提醒;使……想起 4.rather adv.相当;颇 5.commentn.评论 6.downtownadj.在城镇中心区的;在闹市区的 7.entrancen.大门(口);入口(处)8.sectionn.区域 9....
Ifhedrinksmorethantwoglassesofwine,hewill.?(2)一次意外的发现,让我深深地爱上了这个地方。Anunexpecteddiscoverymademedeeplythisplace.?(3)如果你经常不来上课,学习成绩就会落后。Ifyoudon’tcometoclassregularly,youwillinyourstudies.?falloverfallinlovewithfallbehind...
Thecoursecomprisesaclassbook,apracticebookandanaudiotape.课程包括一本教科书、一本练习册和一盘录音带。Ourtextbookincludeseightstories,twoshortplaysandtwoessays.我们的课本包括八篇故事、两篇短剧和两篇散文。I’velostafilecontainingalotofimportantdocuments.我丢失了一个包含许多重要文件的档案。
深处 8.no longer 不再 9.thousands of 成千上万的 重点 This dazzling carpet,really a reflector,drove away the rays of the 句式 sun with wonderful intensity,which accounted for the vibration which passed through every atom of liquid. 自主预习 Ⅱ.介词填空 1.There is a librarian in ...
8.(闪电)istheverybrightflashesoflightintheskythathappensduringthunderstorms.?9.Wefoundfurtherscientific(证据)forthistheory.?10.The(闪光灯)ofthecamerasappearedconstantlythemomenttheleadersshoweduponthestage.?gravityfictionLightningproofflash ⅠⅡⅢⅣⅤⅥⅡ.单句语法填空1.Agoodideaflashedmymindthatwecanmakegood...
Lesson Properties of Light and Reflection P Today we will learn: About reflection. How to predict the location of an object using rays. How to draw a ray diagram for light reflecting off a smooth surface. SUCCESS CRITERIA I will be successful if I can Explain what a ray is. Draw a ray...