变屏幕高度H,将会观察到类似的现象,学生可 以分析出现这种现象的原因。 35 5结束语 旋转液体综合实验中,既有定性分析,又有 定量测量;既有粗测实验,又有精确测量内容 既有确定性,又有探索性,实验原理虽简单,即 不乏巧妙之处,在数据处理方面,所用的方法是 物现实验中很重要很常用的方法,此实验用2 8030.207 3个实验课时可以完成,适合作为一个综合物理 实验引人到实验教学 图5ln∫-lnT图 [1]郑永令、贾起民.力学.复旦大学出版社,1989 [2]章志鸣沈元华、陈惠芬,光学[M].高等教育出版社,1995 3]谷超豪等.数学词典[M].上海辞书出版杜,1992 A COMPREHENSIVE PHYSICS EXPERIMENT COMBNING MECHANICAL AND OPTICAL EXPERIMENT Fudan University, Shanghai, 200433) Abstract: In this paper, the principle and the method of measuring acceleration due to gravity with roating liquid are discussed. In addition, the method of seeking the relationship between the focal length of the surface and the period of rotation and the m thod of producing an image with the surface are also introdced. This experiment has been intro- duced into experiment couse as a comprehensive one Key words: rotating liquid: acceleration due to gravity focal ength C1995-2005 Tsinghua Tongfang Optical Disc Co, Lid. All rights reserved.© 1995-2005 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved