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Physics Communication
Published by Universitas Negeri Semarang
ISSN : -     EISSN : 2528598X     DOI : https://doi.org/10.15294/pc
Core Subject : Education,
Education
Physics Communication is devoted to reporting important new developments in the area of physics and physics education.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 27 Documents
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Expansion of the Double Pendulum System and Its Decomposition Model: Systematic Literature Review Anisa Zulfa Nadia; Joko Siswanto; Joko Saefan
Physics Communication Vol. 9 No. 2 (2025): August 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v9i2.21721

Abstract

Double pendulum is a mechanical system that exhibits complex dynamic behavior, often used to study nonlinear dynamics and chaos. Along with the development of research, this system has been extended with the addition of several new constraints. This research aims to conduct a Systematic Literature Review (SLR) related to the extension of the double pendulum system and the formulation of the relevant equations of motion. The article search was conducted systematically, resulting in 27 documents that met the inclusion criteria. The results of the analysis show that the extension of the gantry pendulum crane system with a payload is the main focus in this study. In addition, the most frequently used decomposition model is a mathematical model with a Lagrangian approach. These findings provide deep insights for further development of mathematical models as well as their applications in the fields of robotics, system control, and dynamic structural analysis.
The Feasibility and Effectiveness of a Physics Enrichment Book Based on Ethnophysics of the Borobudur Temple Raden Rohadi; Supriyadi; Ani Rusilowati
Physics Communication Vol. 9 No. 2 (2025): August 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v9i2.29746

Abstract

This study aims to explore ethnophysical concepts embedded in Borobudur Temple and to develop a contextual physics enrichment book for senior high school students. Indonesia possesses a rich cultural heritage with strong potential for contextualized science education, and Borobudur Temple—an architectural masterpiece that embodies various physics principles—offers a unique opportunity to design culturally relevant learning resources. The research employed a Research and Development (R&D) approach using the AM3PU3 model and a one-group pretest–posttest design involving 74 students from SMA Negeri 1 Tengaran. Data were collected through expert validation, student questionnaires, and pretest–posttest scores, and analyzed using the N-Gain test. The findings indicate that mechanical concepts grounded in ethnophysics are present in the temple’s structure and can support culturally based physics instruction. The developed book received expert validation scores of 3.40 for content, 3.83 for language, and 3.63 for presentation (on a 1–4 scale). Student responses were also high, with scores of 4.00 for readability, 3.98 for effectiveness, and 3.90 for design (on a 1–5 Likert scale). The N-Gain result of 0.30 indicated a moderate improvement. These findings suggest that integrating ethnophysics may serve as a culturally responsive strategy to enhance students’ conceptual understanding and engagement in science education.
Quantum Spectral Algorithms for Khovanov Cohomology via Laplacian Formalism and Frobenius Cobordisms Listiyanto; Celfien Septian Widya Pratama; Siti Wahyuni
Physics Communication Vol. 9 No. 2 (2025): August 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v9i2.30159

Abstract

We present a comprehensive quantum algorithm for computing Khovanov cohomology, a categorification of the Jones polynomial, together with a clear narrative that connects its motivation, construction, and implementation. By simulating Laplacian operators derived from the Khovanov cochain complex, we estimate cohomological dimensions using quantum phase estimation, thermal sampling, and Quantum Singular Value Transformation (QSVT). The framework explicitly exploits the Frobenius algebra structure and cobordism maps, showing how these topological tools translate naturally into unitary quantum operations. Worked examples for the trefoil knot and Hopf link illustrate each step, from encoding the cube of resolutions to constructing differentials and Laplacians. This narrative approach not only refines and operationalizes the Laplacian method introduced by previous works but also provides a practical roadmap for extending categorified invariants into the realm of quantum algorithms suitable for near-term devices.
Digital Protractor Integration in PhET Simulation for Proving Snell's Law in Mirror Geometric Optics: An Exploratory Study and Measuring Conceptual Understanding Najmah Nur Kamilah; Siti Wahyuni
Physics Communication Vol. 9 No. 2 (2025): August 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v9i2.30349

Abstract

Technological developments are driving the transformation of science learning, including physics, from conventional to digital-based approaches. This study examines the use of a digital protractor in PhET simulations to verify Snell's Law (the law of reflection, θ₁ = θ₂) in geometric optics involving mirrors (plane, concave, and convex). This study aims to explore the innovation of digital protractor integration as a tool in PhET simulations on geometric optics, while also examining its implications as a learning aid for prospective physics teachers. This study is motivated by the challenges of abstracting optics material and the demands of STEM implementation in the Merdeka Curriculum. Employing a descriptive qualitative method with 15 physics students, the research found that this integration improves conceptual understanding despite technical issues such as inaccurate protractor placement and normal line errors. Data analysis confirmed Snell’s Law compliance, though success rates varied with procedural complexity. Students praised the dynamic visualization and efficiency but noted limitations, such as over-idealization. The results advocate for a blended learning approach, combining digital tools with traditional lab work to optimize optics education.
Development of a Critical Thinking Skills Assessment Instrument on Dynamic Electricity for High School Students Suratni Agustinih; Wasino; Agus Yuwono
Physics Communication Vol. 9 No. 2 (2025): August 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v9i2.30530

Abstract

The development of critical thinking skills is a curriculum mandate in Indonesia to prepare students for global challenges, yet existing assessments often fail to effectively measure these higher-order competencies. This study aims to analyze the developmental needs, characteristics, feasibility of an assessment instrument, and the effectiveness of its use in evaluating the critical thinking skills (CTS) of high school students on the topic of dynamic electricity. This is a research and development (R&D) study that employs the Four-D Model (define, design, develop, disseminate), as developed by Thiagarajan. The sample consisted of 30 students for a small-scale trial and 150 students for a large-scale trial. Data were collected through interviews, tests, questionnaires, and documentation. The data obtained from these methods were then analyzed using the Rasch Model to evaluate the psychometric properties of the instrument. The instrument was characterized by high-cognitive-level multiple-choice questions administered via the Google Forms platform integrated with AutoProctor. The research findings revealed the need to develop a critical thinking skills assessment instrument that meets the requirements of teachers, students, and conceptual frameworks.  The instrument's validity was established through two methods. First, an expert validation process yielded an average Aiken's V coefficient of 0.93. Second, data from empirical trials analyzed with the Rasch Model showed that all items met the ZSTD fit criteria for validity (-2.0 < ZSTD < +2.0). Item reliability was 0.74 and 0.92, with Cronbach's Alpha values of 0.84 and 0.87 (reliable). The item difficulty level was evenly distributed, the item discrimination index was 3.44 (good), and the instrument was free from bias. The average score across the 6 CTS indicators was 79.82, indicating that the assessment instrument for critical thinking skills on dynamic electricity is both feasible and effective for use.
Critical Thinking Analysis of Boarding and Regular Students in Physics Learning at MA NU Banat Kudus Dewi Raokhil Iklima Fariyya; Sunyoto Eko Nugroho; Sulhadi
Physics Communication Vol. 9 No. 2 (2025): August 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v9i2.30914

Abstract

MA NU Banat Kudus has two educational programs: boarding and regular classes. These two programs differ, particularly in terms of independence; boarding school students live in school dormitories, which require them to be independent in many aspects of daily life. In addition, education in boarding schools is divided into two types, namely diniyah learning and regular learning, while regular students only have regular learning. Critical thinking is also an important aspect that must be considered. This study aims to analyze the differences in critical thinking skills and learning independence attitudes between boarding school and regular class students in physics learning at MA NU Banat Kudus. The method used in this study is a mixed methods with a triangulation design, combining a quantitative approach through tests and a qualitative approach through interviews. The study population consisted of grade XI students, divided into two groups: boarding and regular. Quantitative data analysis was carried out using the T test, while qualitative data were analyzed thematically. The results of the study showed that there was no significant difference in critical thinking between boarding school and regular students. Based on the t-test, a significant value of 0.67 was obtained, and the average results per aspect also showed no difference between boarding school and regular students. Meanwhile, the findings on student independence showed that boarding school students demonstrated better learning independence than regular students. This study recommends that schools develop more strategic planning for boarding programs to improve overall quality and implement active learning approaches, such as Problem-Based Learning, to enhance both critical thinking skills and learning independence among students in all types of schools.
Enhancing Students’ Creativity through Product-Oriented Project-Based Learning with Teaching Aids in Straight Motion Kinematics Ramadhani Aandrawina Ulpha; Hartono Hartono; Bambang Subali; Ani Rusilowati
Physics Communication Vol. 10 No. 1 (2026): February 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v10i1.3153

Abstract

This study aims to analyze the implementation of product-oriented project-based learning using instructional teaching aids to improve students’ creativity in learning the topic of straight motion kinematics. The aspects of creativity examined include fluency, flexibility, elaboration, and evaluation skills. This research employed an experimental method with a nonequivalent control group design. The research subjects consisted of an experimental class that applied product-oriented project-based learning using teaching aids and a control class that received conventional instruction. Data were collected through creativity tests and observation sheets. The results of the study indicate that the implementation of product-oriented project-based learning using teaching aids effectively improves students’ creativity. This improvement is demonstrated by the achievement of the creativity indicators, including fluency, flexibility, elaboration, and evaluation skills, in the experimental class compared to the control class. Therefore, product-oriented project-based learning using teaching aids can be considered an effective alternative instructional strategy to enhance students’ creativity in physics learning.
Integrating Claim, Evidence, Reasoning into a Four-Tier Diagnostic Test to Assess Students’ Conceptual Understanding of Work and Energy Muhammad Fatikhul Alam Bima Sakti; Sunyoto Eko Nugroho; Budi Naini Mindyarto
Physics Communication Vol. 10 No. 1 (2026): February 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v10i1.18527

Abstract

This study reports the development and validation of a Four-Tier Diagnostic Test integrated with the Claim, Evidence, and Reasoning (CER) framework to examine senior high school students’ conceptual understanding of work and energy. Although four-tier diagnostics and CER have been widely implemented independently, limited research has combined both approaches within a unified diagnostic assessment framework. The integration is intended to capture students’ answer accuracy, confidence level, and the structure of their scientific reasoning simultaneously. Using a Research and Development design, five CER-based four-tier items were developed and administered to 100 twelfthgrade students. Content and construct validity were established through expert review, and reliability was examined using Cronbach’s Alpha. Misconceptions were analysed using the Confidence Discrimination Quotient (CDQ) and fourtier interpretation criteria. The findings indicate that misconception rates ranged from 23% to 25%, while CDQ values varied between −0.006 and 0.024, suggesting the presence of moderate conceptual uncertainty. Most items demonstrated high difficulty levels and moderate discrimination indices, indicating that work–energy concepts remain cognitively demanding. The integration of CER into the four-tier structure provided richer diagnostic information by linking correctness, reasoning quality, and confidence level. These results highlight the potential of CER-integrated diagnostic assessment in identifying nuanced misconceptions in physics learning.
FlowMaster: A Gamified Media Based on Discovery Learning for Developing Critical Thinking Skills on the Concept of Dynamic Fluids Imam Akmal Sadad; Joko Budi Porenomo Joko; Hartono Hartono
Physics Communication Vol. 10 No. 1 (2026): February 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v10i1.31500

Abstract

This study aims to develop FlowMaster, a gamified instructional media based on discovery learning, designed to enhance students' critical thinking skills in the context of Dynamic Fluids. The research adopts an R&D (Research and Development) approach utilizing the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). The study involved 60 eleventh-grade science students from SMA Negeri 9 Semarang, divided into an experimental group (using FlowMaster) and a control group (using conventional media). Expert validation results indicated a very high level of feasibility for the media aspect (93.33%) and a high feasibility for the content aspect (81.11%). Effectiveness testing employed a quasi-experimental design, revealing a significant improvement in critical thinking skills within the experimental group (N-Gain = 0.779; categorized as high), outperforming the control group (N-Gain = 0.659). Analysis of critical thinking indicators showed that FlowMaster was most effective in enhancing decision-making skills (N-Gain = 0.78) and the ability to provide simple explanations (N-Gain = 0.85), supported by gamification features such as Discovery Missions and interactive simulations. These findings demonstrate that integrating gamification with discovery learning through FlutterFlow-based media offers an innovative solution for fostering students’ cognitive engagement, aligned with the demands of 21st-century education.
Implementing Nearpod-assisted Inquiry Based Learning on Students’ Critical Thingking Skills at Fluids Topic Finurikha Fina Udiana; Joko Budi Poernomo; Edi Daenuri Anwar
Physics Communication Vol. 10 No. 1 (2026): February 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v10i1.31746

Abstract

Research on Implementing Nearpod-assisted Inquiry Based Learning on Students’ Critical Thingking Skills at Fluids Topic. This research was conducted at SMA Negeri 3 Demak using a quantitative approach and quasi-experimental design , namely pretest posttest control group design. Data analysis techniques used homogeneity test, normality test, n-gain test, t-test, and Likert scale test. There is a difference in students' critical thinking skills between the experimental and control classes using the Nearpod -assisted Inquiry Based Learning model . Data analysis shows that the increase in critical thinking skills in the experimental class is in the high category, while in the control class it is in the medium category. Student responses to the implementation of the Nearpod-assisted Inquiry Based Learning model are in the very positive category. This is indicated by the percentage of responses of 77% in the strongly agree category and 22% in the agree category.

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