下面是我的学生欧阳上记录的在学习过程中发生的事情:自然课时,我们正在做小孔成像的实验。当老师把实验材料发给我们时,我发现,这孔竟是那么小,居于胶板中部,直径大约为1m m。在做实验时,我发现光穿过这1m m的小孔在半透明的玻璃上所形成的图像不仅是倒立着的,而且非常清晰,蜡 Here’s what happened to my student Ouyang on the learning process: During the nature class, we were experimenting with pinhole imaging. When the teacher sent us the experimental materials, I found that this hole was actually so small, living in the middle of the plastic sheet, the diameter of about 1m m. While experimenting, I found that the image of the light translucent glass passing through this 1-m hole was not only upright but also very clear