论文部分内容阅读
为了使学生们深刻地了解针孔成像和照相机的关系,我用草板纸制作了一具针孔照相机,并教学生们亲自动手做了许多,这样可以培养学生们对科学的钻研精神。今介绍做法如下: 1.糊制外筒:筒长20厘米,横截面8厘米,一端敞口,一端粘糊严密的盖,盖的当中留直径1厘米的圆孔。在盖上横的方向粘附一小块长方形纸板,纸板当中也留一直径1厘米
In order to give students a deep understanding of the relationship between pinhole imaging and the camera, I made a pinhole camera on a board and taught my students to do a lot of hands-on exercises to help students develop their scientific understanding. This introduction practices are as follows: 1. Paste the outer tube: 20 cm tube length, cross-section of 8 cm, one end of the open, one end of the sticky paste tightly cover, which left the hole diameter of 1 cm hole. In the direction of the lid attached to a small piece of rectangular cardboard, cardboard, which also left a diameter of 1 cm