一物体经凸透镜在光屏上成一个实像如果这时用纸将透镜遮住一半则 A.屏上不能成像b.屏上成像是原来的一半c.要移动光屏才能成清晰的像d 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 theseOboe, Bow and arrow, Spaghetti, Beehive, Tramway, Syrup, Donut, Fairy, Squirrel, Tea party, 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?

sketchmaster
sketch #2618


anonymous
anonymous
sketch #380


anonymous
anonymous
sketch #2150 batman


anonymous
anonymous
sketch #5183


anonymous
anonymous
sketch #5176


anonymous
anonymous
sketch #5435


anonymous
anonymous
sketch #704


anonymous
anonymous
sketch #5267


anonymous
anonymous
sketch #5100 Shadow by An Nguyen


anonymous
anonymous
sketch #4454 Lisa by Muhammad Raiyaan


anonymous
anonymous
sketch #3290 Calvin and Hobbes by অনন্ত জলিল


anonymous
anonymous
sketch #5341 Rafael Nadal by Alina Danielle


anonymous
anonymous
sketch #20215 Desert


anonymous
anonymous
sketch #3707 The Thinker


sketchmaster
sketch #2452 Manga by sketchmaster


anonymous
anonymous
sketch #4713


anonymous
anonymous
sketch #4734 Timon by Anh Vu


anonymous
anonymous
sketch #4595 Hell Boy by Cristina Love


anonymous
anonymous
sketch #3567 Worried Girl by Juvenilia Alexandrino


anonymous
anonymous
sketch #5272


anonymous
anonymous
sketch #5054 Angelina Jolie by Hailey So Pretty


anonymous
anonymous
sketch #1519


anonymous
anonymous
sketch #1451 mi6softlab vibra


anonymous
anonymous
sketch #314 Butterfly


anonymous
anonymous
sketch #2969


anonymous
anonymous
sketch #4685 Dave Mustaine by Erika Ishikawa


anonymous
anonymous
sketch #5280


anonymous
anonymous
sketch #4691 Itachi by Jaqueline Salazar


sketchmaster
sketch #2588 Buble by sketchmaster

tomski一物体经凸透镜在光屏上成一个实像如果这时用纸将透镜遮住一半则 a.屏上不能成像b.屏上成像是原来的一半c.要移动光屏才能成清晰的像d coloring