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在特定的环境条件下,人们往往会把物体的实像错觉为“虚像”。一次在一节研究凸透镜成像特点的试验课上,有位同学在我的指导下发现了蜡烛在一倍焦距以内成正立放大的虚像这一
Under certain environmental conditions, people often illusion the real image of an object as a “virtual image.” In a lesson on a study of the characteristics of lenticular imaging, one of my classmates under my guidance discovered that a candle is an upright enlarged virtual image within one focal length.