Physics Education最新文献_第2页

Unconventional free fall measurements of g: involving the Pythagorean Theorem and inverse tangent function 非常规自由落体 g 测量：涉及勾股定理和反切函数

Physics Education Pub Date : 2024-09-02 DOI: 10.1088/1361-6552/ad6c9b

Unofre B Pili

{"title":"Unconventional free fall measurements of g: involving the Pythagorean Theorem and inverse tangent function","authors":"Unofre B Pili","doi":"10.1088/1361-6552/ad6c9b","DOIUrl":"https://doi.org/10.1088/1361-6552/ad6c9b","url":null,"abstract":"The current work presents unconventional but instructionally useful approaches to data analysis and modelling that allow for measurements of the acceleration due to gravity, <italic toggle=\"yes\">g</italic>, using free-falling motion and the popular Tracker software. The two techniques detailed in this article illustrate the employability of the Pythagorean Theorem and the inverse tangent function in modelling free-falling motion that likewise, expectedly, permit for the determination of <italic toggle=\"yes\">g</italic>. These two mathematical concepts are brought to relevance by strategically situating the origin of the coordinate system at an appropriate point. The models returned values of the gravitational acceleration that are comparable to that by the traditional technique, the one directly based on the vertical position-time data. Additionally, the unconventional free-fall data analyses presented in this paper suggest extra and insightful activities for the students, exercises on a notably less-automated nonlinear curve fitting on a spreadsheet (<italic toggle=\"yes\">MS Excel</italic>) at most. Ultimately, by applying familiar mathematical concepts associated with a right triangle to nontraditional contexts like free-fall, this laboratory or lecture activity is perceived to spark greater interest of the students and enhance learning by unifying theory and experimental data.","PeriodicalId":39773,"journal":{"name":"Physics Education","volume":"68 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Building aluminium-air battery on waste paper for DIY learning 在废纸上制作铝-空气电池，进行 DIY 学习

Physics Education Pub Date : 2024-09-02 DOI: 10.1088/1361-6552/ad6d25

Vinit Srivastava, Shivam Dubey, Abhay Singh Thakur, Rahul Vaish

引用次数: 0

Cronpes: time measurement device suitable for teaching experimental physics in Brazil Cronpes：适合巴西物理实验教学的时间测量装置

Physics Education Pub Date : 2024-09-02 DOI: 10.1088/1361-6552/ad6d23

M A Bulla, T Oliviera, M K K D Franco, F Yokaichiya

引用次数: 0

Gravitational time dilation in a high school lesson 高中课程中的引力时间膨胀

Physics Education Pub Date : 2024-09-02 DOI: 10.1088/1361-6552/ad7088

Ivan Russo, Giuseppe Iuele, Elmo Benedetto

引用次数: 0

Pencil drawn meter bridge 铅笔画的米桥

Physics Education Pub Date : 2024-09-02 DOI: 10.1088/1361-6552/ad6d24

Aditya Singh Thakur, Shivam Dubey, Shivam Kumar, Abhay Singh Thakur, Rahul Vaish

引用次数: 0

Development of an AR–based enrichment module to introduce electrospinning as an application of static electricity principles for senior high school students 开发基于 AR 的强化模块，向高中生介绍静电原理在电纺纱中的应用

Physics Education Pub Date : 2024-08-21 DOI: 10.1088/1361-6552/ad6967

Indah Karunia Fitri, Fatoni Udaneni, Handita Pramasiwi, Dewanto Harjunowibowo, Yulianto Agung Rezeki

{"title":"Development of an AR–based enrichment module to introduce electrospinning as an application of static electricity principles for senior high school students","authors":"Indah Karunia Fitri, Fatoni Udaneni, Handita Pramasiwi, Dewanto Harjunowibowo, Yulianto Agung Rezeki","doi":"10.1088/1361-6552/ad6967","DOIUrl":"https://doi.org/10.1088/1361-6552/ad6967","url":null,"abstract":"In teaching physics, phenomena invisible to the naked eye are presented with Augmented Reality (AR) support. This research aims to create an AR-based module exemplifying static electricity applications in technology. The AR module explains static electricity in nanofiber fabrication, specifically electrospinning. Needs analysis reveals a necessity for this module due to teachers lagging in static electricity concepts in the 4.0 era. The module scored 98.00% for content and 88.00% for interactivity, indicating high validity. Linguistic aspect scores 93.33% for grammar and 98.00% for understanding show reader-friendly content. The content agreement is 95.71%, aligning with theory and curriculum. Students rated practicality at 98.41%, suggesting module convenience. Appearance received 96.67%, indicating student engagement, with benefits scoring 96.67%, motivating student learning, particularly in static electricity. The results show a successful introduction of electrospinning in senior high school students. The module triggered students’ interest in motivation, attraction, satisfaction, and relevance, so it can be concluded that the module created is effective.","PeriodicalId":39773,"journal":{"name":"Physics Education","volume":"2013 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

How a soup bowl and a coffee cup cool down 汤碗和咖啡杯如何降温

Physics Education Pub Date : 2024-08-21 DOI: 10.1088/1361-6552/ad6ac9

João Paulo M Ferreira

引用次数: 0

Keeping food cool to save the planet 让食物保持凉爽以拯救地球

Physics Education Pub Date : 2024-08-21 DOI: 10.1088/1361-6552/ad6ac7

Stephen Hughes

引用次数: 0

Arduino-based investigation of transmission lines and impedance matching 基于 Arduino 的传输线和阻抗匹配研究

Physics Education Pub Date : 2024-08-14 DOI: 10.1088/1361-6552/ad6ac8

Thonimar V Alencar

{"title":"Arduino-based investigation of transmission lines and impedance matching","authors":"Thonimar V Alencar","doi":"10.1088/1361-6552/ad6ac8","DOIUrl":"https://doi.org/10.1088/1361-6552/ad6ac8","url":null,"abstract":"Transmission lines play a crucial role in radio-frequency energy transmission between source and load. These systems connect essential physical phenomena like the formation of standing waves and the attenuation of electromagnetic waves in material media with practical considerations such as impedance matching and signal integrity. Understanding these systems requires knowledge of fundamental concepts like inductance, capacitance, and impedance. The absence of impedance matching between the line and load leads to a modulated amplitude in the resulting signal owing to interference between the injected and reflected signals. Here, we present an experiment utilizing an Arduino platform as a signal generator and a data acquisition interface to analyze a radio frequency transmission line. By employing a few-meter-long coaxial cable as the transmission line and a digital oscilloscope with a high sampling rate (several giga-samples per second), we demonstrate how to determine the reflection coefficient as a function of the load impedance. The reflection coefficient enables determination of the return loss, underscoring the significance of impedance matching for optimal performance among the source, transmission line, and the load.","PeriodicalId":39773,"journal":{"name":"Physics Education","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142198023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Innovative approach of teaching ray-optics in the classroom 射线光学课堂教学的创新方法

Physics Education Pub Date : 2024-08-14 DOI: 10.1088/1361-6552/ad6969

Mayank Rathi, Ravi Kant Shukla, Prashant Tiwari, Govind Kushwaha, Priyanshu Gupta, Ankush Rana, Amit Garg

{"title":"Innovative approach of teaching ray-optics in the classroom","authors":"Mayank Rathi, Ravi Kant Shukla, Prashant Tiwari, Govind Kushwaha, Priyanshu Gupta, Ankush Rana, Amit Garg","doi":"10.1088/1361-6552/ad6969","DOIUrl":"https://doi.org/10.1088/1361-6552/ad6969","url":null,"abstract":"The present work discusses an innovative approach to teaching ray optics for students of class X. The school students were taught various concepts related to ray optics viz. Reflection, refraction, lateral displacement, mirrors, lenses, their types and terminologies, thin and thick lens, power of a lens, all cases of image formation in lenses, total internal reflection and its applications, human eye, its defects and corrections, making of telescope and microscope through practical demonstrations and hands-on approach using a self-conceived Ray Optics Kit. This activity was done independently in twenty two schools of Delhi, both government and private, with a massive total participation of 1200 students as part of SPIE Optics Outreach Activity. SPIE@ANDC Student Chapter members were trained at the college and they followed ‘Train the Trainer’ approach to create a pool of more than fifteen students who collectively conducted the workshops in teams in each of these schools. The student performance was assessed through a pre and post test as well as using a feedback form. An improvement of 65% in students’ performance was observed as indicated by comparing their pre-test and post-test results. The students as well as teachers gave a highly appreciative feedback of the whole activity. The feedback on their social media pages is a testimony of the success of the activity. Each school was awarded a Ray Optics Kit so as to make teaching and learning of ray optics interesting and engaging for batches in the future academic years.","PeriodicalId":39773,"journal":{"name":"Physics Education","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142198003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0