第50届国际物理奥林匹克竞赛实验试题2介绍与解答  

Problems and solutions of the 50th International Physics Olympiad experimental exam 2

作　　者：郭旭波[1] 蒋硕[1] 安宇[1] 阮东[1] 张留碗[1] GUO Xu-bo;JIANG Shuo;AN Yu;RUAN Dong;ZHANG Liu-wan(Department of Physics,Tsinghua University,Beijing 100084,China)

机构地区：[1]清华大学物理系

出　　处：《物理实验》2020年第2期40-46,共7页Physics Experimentation

摘　　要：第50届国际物理奥林匹克竞赛实验题2为维德曼-夫兰兹定律,分别测量紫铜、铝和黄铜的热导率和电导率以及紫铜的比热容,并验证这些参量之间的关系.本文详细介绍了竞赛试题2的内容,并给出了试题2的解答.The 50 th International Physics Olympiad experimental exam 2 was Wiedemann-Franz law.The thermal conductivity and electric conductivity of copper,aluminum and brass,as well as the specific heat capacity of copper,were measured respectively,and the relationship among these parameters was verified.This paper introduced the contents of the experimental exam 2 in detail,and gave the solutions to the problems.

关 键 词：国际物理奥林匹克竞赛 电导率 热导率 比热容 

分 类 号：G633.7[文化科学—教育学]