如图所示一束光线与主光轴平行且宽度为a照射到一个凹透镜上经过拆射后在距透镜l的光屏上形成一个宽度为b的光�则此凹透镜的焦距为alb Sketch Coloring Page

如图所示一束光线与主光轴平行且宽度为a照射到一个凹透镜上经过拆射后在距透镜l的光屏上形成一个宽度为b的光�则此凹透镜的焦距为alb Template

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More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #3857

anonymous

anonymous
sketch #3857

sketch #4306 The burning watermelon!

anonymous

anonymous
sketch #4306 The burning watermelon!

sketch #3631

anonymous

anonymous
sketch #3631

sketch #3381 DBZ by Adidtzu Ady

anonymous

anonymous
sketch #3381 DBZ by Adidtzu Ady

sketch #4091 Irie

anonymous

anonymous
sketch #4091 Irie

sketch #3547 Lady in red Toky Niaina Randrianarisoa

anonymous

anonymous
sketch #3547 Lady in red Toky Niaina Randrianarisoa

sketch #5139 Sick Sick Six Urs Stefan

anonymous

anonymous
sketch #5139 Sick Sick Six Urs Stefan

sketch #3517 Scratch from Ice Age by VlAd Craciun

anonymous

anonymous
sketch #3517 Scratch from Ice Age by VlAd Craciun

sketch #5187

anonymous

anonymous
sketch #5187

sketch #1061 garota ao vento

Ariel Fernando
sketch #1061 garota ao vento

sketch #4933 Tobi by Abdelwahab Haik

anonymous

anonymous
sketch #4933 Tobi by Abdelwahab Haik

sketch #4358 Wink Károly Benkő

anonymous

anonymous
sketch #4358 Wink Károly Benkő

sketch #4895 Cat by Gaurav Patel

anonymous

anonymous
sketch #4895 Cat by Gaurav Patel

sketch #5283

anonymous

anonymous
sketch #5283

sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon

Jose Rondon
sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon

sketch #4948 Snow White by George Lucaz

anonymous

anonymous
sketch #4948 Snow White by George Lucaz

sketch #4867 Johnny Depp Ronin Ronin

anonymous

anonymous
sketch #4867 Johnny Depp Ronin Ronin

sketch #2636 Robitina by sketchmaster

sketchmaster
sketch #2636 Robitina by sketchmaster

sketch #5133 Jiraiya by Saiful Farizam

anonymous

anonymous
sketch #5133 Jiraiya by Saiful Farizam

sketch #1122 norooz

anonymous

anonymous
sketch #1122 norooz

sketch #1444

Donara Smbatyan
sketch #1444

sketch #5211

anonymous

anonymous
sketch #5211

sketch #2220 bahbah sexy sheep

anonymous

anonymous
sketch #2220 bahbah sexy sheep

sketch #3063

anonymous

anonymous
sketch #3063

sketch #3683 Hellboy by Loai Issa

anonymous

anonymous
sketch #3683 Hellboy by Loai Issa

sketch #3362 The Boss by David Torre

anonymous

anonymous
sketch #3362 The Boss by David Torre

sketch #3608 Skeleton king by Thania Arruda

anonymous

anonymous
sketch #3608 Skeleton king by Thania Arruda

sketch #1465

Laura Agapi Asnicar
sketch #1465

sketch #5263

anonymous

anonymous
sketch #5263

sketch #978

anonymous

anonymous
sketch #978

tomski如图所示一束光线与主光轴平行且宽度为a照射到一个凹透镜上经过拆射后在距透镜l的光屏上形成一个宽度为b的光�则此凹透镜的焦距为alb coloring

如图所示一束光线与主光轴平行且宽度为a照射到一个凹透镜上经过拆射后在距透镜L的光屏上形成一个宽度为b的光�则此凹透镜的焦距为aLb sketch template

如图所示一光源�出的光经平面镜反射后照射到凹透镜上光线ab与凹透镜的主光轴平行其中F为凹透镜的焦点O为光心。请画出其对应的入射光线及 sketch template

工程光学（九）——浅谈典型光学系统知乎 sketch template

如图所示一束光线经凸透镜折射后射�与凸透镜主光轴平行的平面镜请你在图中画出1射�凸透镜的入射光线2经平面镜的反射光线3 sketch template

如图所示一束光线经过一个透镜后相交于主光轴上的A点取走透镜后光线相交于B点则该透镜起到�散�散作用是凹凹透镜．题目和参考答案——青 sketch template

如图一束光线垂直于凸透镜主光轴射�平面镜请你在图中画出经过平面镜反射后射�凸透镜的一束光线请在图中画出入射光线折射光线并标出入射角的度数 sketch template

如图所示一束白光通过三棱镜后分解成七种单色光．位于图中最下方B位置的是 光．颜料的三原色是红色色和蓝色．题目和参考答案——青夏教育精英 sketch template

如图所示将平面镜放在垂直于凸透镜的主光轴上凸透镜与平面镜相距为d一束平行主光轴的光射�凸透镜经平面镜反射后会聚在两镜中点处则此透镜的 sketch template

一束平行光经过凸透镜折射后的传播方�如图甲所示由图可知此凸透镜的焦距 Cm当把蜡烛放在此凸透镜左侧12cm处时如图乙所示则从该凸透镜 sketch template

【技术文章�激光三角法测量表面形貌知乎 sketch template

如图所示a和b两束光平行射入一半圆柱体玻璃砖且入射光线与AOB面垂直若从圆面射出时两光束交于P点则下列说法中正确的是 A．a光束的 sketch template

如图甲所示如果让一束平行光先经过凸透镜再经过凹透镜光路会怎样如图乙所示如果让一束平行光经过凹透镜再经过凸透镜光路会怎样请想出可能 sketch template

1如图所示有两条光线分别从凸透镜的两倍焦距处射�透镜请在图中画出它们通过透镜后的光路2如图所示OO′为透镜的主光轴AB是物体 sketch template

1图1所示一束光沿水平方�射到平面镜上请在图中画出这束光的反射光线．2图2所示一束光线沿水平方�射入三棱镜将会偏折两次请画出 sketch template

如图所示一束由两种色光混合的复色光沿PO方�射�一上下表面平行的厚玻璃平面镜的上表面经折射后得到ⅠⅡ两束单色光束则 根据威海市 sketch template

如图所示遮光板A与光屏B平行放置且相距为d．在A的中央挖一直径为d1的圆孔并在孔内嵌入与孔等大的薄透镜L．现有一束平行光束垂直照射遮光板 sketch template

1如图甲所示入射光线与平面镜成30°角作出反射光线标出反射角及大小．2如乙图所示ABCD是一间不透光的房间墙AB是平面镜房 sketch template

1画出图1中入射光线经平面镜反射的光线2如图2所示S为一个�光点P为平面镜前的某一点试画出由S�出的光线被平面镜反射后经过P点 sketch template

如图所示一束会聚光线经平面镜反射后其反射光线 A．也一定会聚B．一定会�散 C．成为平行光线D．无法确定题目和参考答案——青夏 sketch template

1如图所示一束光由空气斜射到空气和水的界面上请画出光线进入水后的传播方�．2完成光路图画出经凸透镜后的光线3画出在图所示的 sketch template

如图13 1 10所示一束平行单色光的宽度为d由空气射入某液体中入射角为45°已知该液体的折射率为则光束在液体中传播时的宽度d sketch template

1如图1所示作出它的入射光线并标出它的入射角2完成图2的光路图3在图3的虚线框内填上适当的透镜．题目和参考答案——青夏 sketch template

按要求完成下列光路图．1请在图甲中作出AB在平面镜中所成的像．2如图乙所示一束光射�三棱镜画出这束光两次折射的大致光路．3图丙 sketch template

如图所示一束细白光通过三棱镜折射后分为各种单色光取其中abc三种单色光并同时做如下实验1让这三种单色光分别通过同一双缝干涉装置 sketch template

如图所示一束光线从玻璃中斜射入空气在�生折射的同时也�生反射请你根据光的传播特点完成大致光路图．题目和参考答案——青夏教育精英家教�—— sketch template

百度教育 sketch template

如图所示一束光线与水平面成30°角从空气斜射到水面时�生反射和折射请你在图中画出它的反射光线和折射光线的大致方� 题目和参考答案——青 sketch template

如图所示一束由两种色光混合的复色光沿PO方�射�一上下表面平行的厚玻璃平面镜的上表面经折射后得到ⅠⅡ两束单色光束则 根据威海市 sketch template

如图所示一束平行光正对着凸透镜照射在透镜另一侧离透镜10cm处得到一个亮点．当物体位于这个透镜前的25cm处时在透镜的另一侧可以得到 sketch template

如下图所示，一束光线以60°的入射角射到一水平放置的平面镜上，反射后 sketch template

小明用如图所示装置做“探究光的反射规律实验图中纸板B可沿折缝ON�后翻折现让一束光紧贴纸板A射�O点则A 入射光线沿逆时针转动时 sketch template

如图所示AOB是由某种透明物质制成的四分之一圆柱体的横截面圆柱体的半径为r折射率为$sqrt{2}$圆柱体的长度为h．今有一束平行光 sketch template

1图1所示一束光沿水平方�射到平面镜上请在图中画出这束光的反射光线．2图2所示一束光线沿水平方�射入三棱镜将会偏折两次请画出 sketch template

如图所示一束光线从水中斜射�空气请画出折射光线的大致位置．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示入射光线与镜面的夹角是30°则入射角是反射角是若入射光线方�不变平面镜绕入射点顺时针转动5°则反射光线与入射光线的夹角 sketch template

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