摘要
指出《鱼缸中的怪现象》一文的错误,给出厚透镜的焦点公式,找出了呈现放大虚像的关键,并探讨鱼在鱼缸中消失的原因。
In the paper, the mistakes in strange phenomenon in fish container is pointed out. And the focus formula of thick lens is also obtained, We found the reason why we get intensified virtual all the time. In the end, we explained the reason why the fish 揹isappear?from the container.
出处
《唐山师范学院学报》
2004年第5期23-25,共3页
Journal of Tangshan Normal University
关键词
鱼缸
全反射
放大
焦点
fish container
total reflection
amplification
focus
