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




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseComplex, Twins, Telescope, Wrapper, Stream, Slicer, Tap dancer, Tornado, Peg leg, Sunburn, view more ideas


please wait, the page is loading...

More Sketches

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

anonymous
anonymous
sketch #3151 Spaceship Nessa Kira Hellsing


anonymous
anonymous
sketch #5183


anonymous
anonymous
sketch #3385


anonymous
anonymous
sketch #3274


anonymous
anonymous
sketch #2582


anonymous
anonymous
sketch #4532


anonymous
anonymous
sketch #5258 Adventure Time by Kheith Ryan Lubiano


Rachel Roe
sketch #78 Dino-Roar


anonymous
anonymous
sketch #3296


anonymous
anonymous
sketch #2195


anonymous
anonymous
sketch #5050


anonymous
anonymous
sketch #5249 Adele - Skyfall by Mert Arda Yiğit


anonymous
anonymous
sketch #5155


anonymous
anonymous
sketch #1119 crimson


Rachel Roe
sketch #33 Flutter-bys


anonymous
anonymous
sketch #5077 Light of Hope by Itz Rakhi


anonymous
anonymous
sketch #5139 Sick Sick Six Urs Stefan


anonymous
anonymous
sketch #2982 Lion by Ati Gohary


anonymous
anonymous
sketch #5369 Wolverine by ShopRasta Roots


anonymous
anonymous
sketch #3459 BLUE from fosters imagenary friends


anonymous
anonymous
sketch #1450


anonymous
anonymous
sketch #704


anonymous
anonymous
sketch #4191


Zorka Edding Giustinianovic
sketch #2852 Teddy Zorka Edding Giustinianovic


anonymous
anonymous
sketch #1082 Seher 6 years


Rachel Roe
sketch #2642 Red dog


anonymous
anonymous
sketch #1923 12


anonymous
anonymous
sketch #2025

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