{"title":"在教学实验中利用全内反射测定透明材料的折射率","authors":"Duan-bin Luo","doi":"10.1088/1361-6552/ad4b86","DOIUrl":null,"url":null,"abstract":"In this paper, we introduce a three-dimensional demonstration for the refraction and reflection based on total internal reflection of light in transparent media, and discuss the reasons for the formation of circular bright areas and circular shadows, respectively. Then, according to the relationship between the diameter of circular shadows and bright areas, the depth of water, and the thickness of the polymethyl methacrylate plate, we described a teaching experiment based on total internal reflection of light to achieve refractive index measurement of transparent liquids and solids. The refractive index of transparent media measured using this method is in good agreement with reported data.","PeriodicalId":39773,"journal":{"name":"Physics Education","volume":"43 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Determining the refractive index of transparent materials using total internal reflection in teaching experiment\",\"authors\":\"Duan-bin Luo\",\"doi\":\"10.1088/1361-6552/ad4b86\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we introduce a three-dimensional demonstration for the refraction and reflection based on total internal reflection of light in transparent media, and discuss the reasons for the formation of circular bright areas and circular shadows, respectively. Then, according to the relationship between the diameter of circular shadows and bright areas, the depth of water, and the thickness of the polymethyl methacrylate plate, we described a teaching experiment based on total internal reflection of light to achieve refractive index measurement of transparent liquids and solids. The refractive index of transparent media measured using this method is in good agreement with reported data.\",\"PeriodicalId\":39773,\"journal\":{\"name\":\"Physics Education\",\"volume\":\"43 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-06-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physics Education\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1088/1361-6552/ad4b86\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"Social Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics Education","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/1361-6552/ad4b86","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Social Sciences","Score":null,"Total":0}
Determining the refractive index of transparent materials using total internal reflection in teaching experiment
In this paper, we introduce a three-dimensional demonstration for the refraction and reflection based on total internal reflection of light in transparent media, and discuss the reasons for the formation of circular bright areas and circular shadows, respectively. Then, according to the relationship between the diameter of circular shadows and bright areas, the depth of water, and the thickness of the polymethyl methacrylate plate, we described a teaching experiment based on total internal reflection of light to achieve refractive index measurement of transparent liquids and solids. The refractive index of transparent media measured using this method is in good agreement with reported data.
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Physics Education seeks to serve the physics teaching community and we welcome contributions from teachers. We seek to support the teaching of physics to students aged 11 up to introductory undergraduate level. We aim to provide professional development and support for teachers of physics around the world by providing: a forum for practising teachers to make an active contribution to the physics teaching community; knowledge updates in physics, educational research and relevant wider curriculum developments; and strategies for teaching and classroom management that will engage and motivate students.
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