摘要
第52届国际物理奥林匹克竞赛理论试题共三道,分别为永磁体(Permanent magnets)、詹姆斯韦伯太空望远镜(James Webb Space Telescope)和比例法则(Scaling laws)。考试采用远程线上形式进行。文章主要对理论第三题的命题和解答进行介绍,并对题目间的联系以及所有获奖选手的答题情况进行了简要分析。
There are three theoretical problems in the 52nd International Physics Olympiad,namely Permanent magnets,James Webb Space Telescope and Scaling laws.The exam was conducted remotely and online.This paper mainly introduces the proposition and solution of the third theoretical problem,and provides a brief analysis of the connections between the questions and the answers of all award-winning contestants.
作者
李文华
王槿
宋峰
张天浩
孔勇发
LI Wenhua;WANG Jin;SONG Feng;ZHANG Tianhao;KONG Yongfa(School of Physics,Nankai University,Tianjin 300071;National Demonstration Center for Experimental Physics Education,Nankai University,Tianjin 300071)
出处
《物理与工程》
2023年第6期110-115,共6页
Physics and Engineering
基金
南开大学2022实验课程改革项目开放实验类(22NKSYKF02)
南开大学2023本科教育教学改革项目(NKJG2023023)。
关键词
标度律
力矩平衡
表面张力
相对论
阻尼振荡
国际物理奥林匹克竞赛
scaling law
moment balance
surface tension
relativity
damped oscillation
International Physics Olympiad
