如图所示某透明介质的截面为直角三角形abc其中∠a=30°ac边长为l．一束单色光从ac面上距a为l3的d点垂直于ac边射入恰好在ab Sketch Coloring Page

如图所示某透明介质的截面为直角三角形abc其中∠a=30°ac边长为l．一束单色光从ac面上距a为l3的d点垂直于ac边射入恰好在ab Template

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More Sketches

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

sketch #3290 Calvin and Hobbes by অনন্ত জলিল

anonymous

anonymous
sketch #3290 Calvin and Hobbes by অনন্ত জলিল

sketch #4273

anonymous

anonymous
sketch #4273

sketch #4751 Ruko by Rodrigo Marcos

anonymous

anonymous
sketch #4751 Ruko by Rodrigo Marcos

sketch #817

Laura Agapi Asnicar
sketch #817

sketch #2459 funky afro

sketchmaster
sketch #2459 funky afro

sketch #5285

anonymous

anonymous
sketch #5285

sketch #787

Laura Agapi Asnicar
sketch #787

sketch #3280 Adventure Time by Alina Danielle

anonymous

anonymous
sketch #3280 Adventure Time by Alina Danielle

sketch #3330

Matt King
sketch #3330

sketch #3765 Happy easter!

anonymous

anonymous
sketch #3765 Happy easter!

sketch #3637

anonymous

anonymous
sketch #3637

sketch #3254 derp

anonymous

anonymous
sketch #3254 derp

sketch #308

Helyryn
sketch #308

sketch #3743 Just for fun

Jay Lantz
sketch #3743 Just for fun

sketch #1068 dançando

anonymous

anonymous
sketch #1068 dançando

sketch #3804

Laura Agapi Asnicar
sketch #3804

sketch #1964 愛鼠繪

愛君
sketch #1964 愛鼠繪

sketch #2117

anonymous

anonymous
sketch #2117

sketch #1170

anonymous

anonymous
sketch #1170

sketch #3208 ELETR by Raimundo Santos

anonymous

anonymous
sketch #3208 ELETR by Raimundo Santos

sketch #2642 Red dog

Rachel Roe
sketch #2642 Red dog

sketch #5278 Cosmos by Jenna Khoùlix�

anonymous

anonymous
sketch #5278 Cosmos by Jenna Khoùlix�

sketch #2664

Jorge Valero
sketch #2664

sketch #5250

anonymous

anonymous
sketch #5250

sketch #5051

anonymous

anonymous
sketch #5051

sketch #3513

anonymous

anonymous
sketch #3513

sketch #3390 Beautiful drawing by Jessie Lightwood

anonymous

anonymous
sketch #3390 Beautiful drawing by Jessie Lightwood

sketch #645

Tom Kelly
sketch #645

sketch #5222 Magic Art Tin Sheek

anonymous

anonymous
sketch #5222 Magic Art Tin Sheek

sketch #2552

anonymous

anonymous
sketch #2552

tomski如图所示某透明介质的截面为直角三角形abc其中∠a=30°ac边长为l．一束单色光从ac面上距a为l3的d点垂直于ac边射入恰好在ab coloring

如图所示扇形A0B为透明柱状介质的横截面半径为R介质折射率为3圆心角∠A0B=30°一束平行于OB的单色光由OA面射入介质．要使柱体 sketch template

如图所示某透明介质的截面为直角三角形ABC其中∠A=30°AC边长为L．一束单色光从AC面上距A为L3的D点垂直于AC边射入恰好在AB sketch template

如图所示为某种透明介质的截面图 AOC为等腰直角三角形BC为半径R=8cm的四分之一圆弧AB与水平面屏幕MN垂直并接触于A点．由红光和 sketch template

如图所示某种透明介质的截面图由直角三角形AOC和圆心为O半径为R的四分之一圆弧BC组成其中∠A=60°．一束单色光从D点垂直AB面射入 sketch template

如图所示某透明介质的截面为直角三角形ABC其中∠A=30°AC边长为L．一束单色光从AC面上距A为L3的D点垂直于AC边射入恰好在AB sketch template

如图所示为某种透明介质的截面图 AOC为等腰直角三角形OBC为半径R=10cm的四分之一圆弧AB与水平屏幕MN垂直并接触于A点由红光和 sketch template

如图所示为一个透明介质制成的半径为R的球透明介质的折射率为n球心为O．透明球内有一点光源SS距球心O的距离为R/n．试证明光源S�出的 sketch template

如图所示扇形AOB为透明柱状介质的横截面圆心角∠AOB=60°两束平行于角平分线OM的单色光a和b由OA面射入介质经OA面折射的光线都 sketch template

如图所示，扇形AOB为透明柱状介质的横截面，扇形的半径大小为R，OM为扇形的角分线，∠ AOM=∠ BOM=30°。一束平行于角平分线OM的单 sketch template

题目如图所示由透明介质构成的半球壳的内外表面半径分別为R和R．一横截面半径为R的平行光束入射到半球壳内表面入射方�与半球壳的对称轴平行 sketch template

如图甲所示ABDC为用某种透明介质制成的截面为等腰梯形的平行砖梯形底角为53°梯形上底长为16cm在梯形对称轴上O点处有一点光源O到 sketch template

$如图所示某透明材枓三棱镜的横截面为直角三角形角A等于90°角B等于30°该材料的折射率n=$frac{sqrt{5}}{2 sketch template$

如图所示为某种透明介质制成的棱镜，其截面是一个等腰三角形ABC，∠A=30°，AB边的长度为L，有一束单色光以平行于AC边的方�从AB边上距离 sketch template

如图所示由透明材料制成的一个截面为直角三角形的三棱镜ABC有一单色光线以45°角入射到AB界面上折射角是30°折射光线恰好在AC界面 sketch template

某介质的折射率为一束光从介质射�空气入射角为60°如图1所示的哪个光路图是正确的——青夏教育精英家教�—— sketch template

如图所示，某透明柱体的横截面是半径为的半圆，圆心为 高途 sketch template

半球形介质截面如图所示O为圆心相同的两束单色光ab相互平行从不同位置进入介质光线a在O点恰好产生全反射．光线b的入射角为45°求 sketch template

如图所示三角形ABC为某透明介质的横截面O为BC中点位于截面所在平面内的一束光线自O以角度i入射第一次到达AB边恰好�生全反射已知θ sketch template

材料力学重点整理知乎 sketch template

如图所示扇形A0B为透明柱状介质的横截面半径为R介质折射率为3圆心角∠A0B=30°一束平行于OB的单色光由OA面射入介质．要使柱体 sketch template

如图所示等边三角形ABC为透明柱状介质的横截面一束平行于角平分线BD的单色光由AB面射入介质经AB面折射的光线恰好平行于BC．则介质对此 sketch template

$如图所示某工件由三棱柱和$frac{1}{4}$圆柱两个相同透明玻璃材料组成其截面如图该玻璃材料的折射率为n=$sqrt{2 sketch template$

$如图所示某透明材枓三棱镜的横截面为直角三角形角A等于90°角B等于30°该材料的折射率n=$frac{sqrt{5}}{2 sketch template$

如图所示等腰直角三棱镜放在真空中斜边BC＝d一束单色光以60°的入射角从AB侧面中点入射折射后再从AC侧面折射出已知三棱镜的折射率n sketch template

如图所示一个横截面为直角三角形的三棱镜∠A=30°∠B=60°AB边长为L．一束与BC面成θ=30°角的光从BC面中点射入三棱镜进入 sketch template

如图所示某同学为了测量截面为正三角形的三棱镜玻璃折射率先在白纸上放好三棱镜在棱镜的左侧插上两枚大头针P1和P2然后在棱镜的右侧观察到 sketch template

如图所示某三棱镜的截面是一直角三角形其中∠ACB=60°．棱镜材料的折射率为n底面BC涂�入射光沿平行于底面BC的方�射�AC为了使 sketch template

如图�分别以直角三角形ABC三边为直径�外作三个半圆其面积分别用S1S2S3表示则不难证明S1=S2 S3．1如图�分别以直角 sketch template

如图所示截面为直角三角形ABC∠B=30°斜边AB=a．棱镜材料的折射率为n=$sqrt{2}$．在此截面所在的平面内一条光线在距 sketch template

如图所示一个横截面为直角三角形的三棱镜∠A=30°∠C=90°．三棱镜材料的折射率是n=3．一条与BC面成θ=30°角的光线斜射�BC面 sketch template

如图所示截面为ABC的玻璃直角三棱镜放置在空气中宽度均为d的紫红两束光垂直照射三棱镜的一个直角边AB在三棱镜的另一侧放置一平行于AB边 sketch template

如图9所示质量为m横截面积为直角三角形的物块ABC∠ABC=αAB边靠在竖直墙面上F是垂直于斜面BC的力若物块静止不动则�擦力的 sketch template

如图所示用一个平面去截一个圆柱则截得的形状应为 A．B．C．D．——青夏教育精英家教�—— sketch template

【初中数学�特殊角度的直角三角形（30度、45度）知乎 sketch template

如图所示直角三边形三边上的半圆面积从小到大依次记为则的关系是 A B C D——青夏教育精英家教�—— sketch template

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