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Thoha Firdaus
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JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah)
Published by Universitas Nurul Huda
ISSN : 2549905X     EISSN : 25499076     DOI : https://doi.org/10.30599/jipfri.v8i1
Core Subject : Science, Education, Engineering,
Astronomy Education Electrical & Electronics Engineering Energy
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) is a scientific journal published with a view to facilitating academics and researchers to publish their research results in the field of Physics Education Innovation and Scientific Research in the field of physics. JIPFRI ( Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) is a journal published by Program Studi Pendidikan Fisika Universitas Nurul Huda. JIPFRI began to appear in May 2017 that is Vol. 1 No. 1 the year 2017, with and periodically published twice per year in May and November. The focus of articles that can be published is related to the Innovation of Physics Education and Scientific Research. These are the details: (1). Innovation Physics Learning: model, strategy, approach, development of teaching materials and media in physics learning. (2). Scientific research: physics experiments and physics development research, usually the type of quantitative research. (3). Philosophy of science: profound scientific thoughts and have an acceptable reference, usually the type of qualitative research.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 136 Documents
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Studi Faktor Kualitas Resonansi Bunyi pada Pipa Organa Tertutup Menggunakan Panjang Efektif Iskandar, Feri; Pramudya, Yudhiakto
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 1 (2025): May Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i1.4186

Abstract

This study aims to improve the accuracy of resonance analysis in closed pipe resonance through the measurement of quality factor (Q) and effective air column length. The method employed involves an automated system based on Arduino, equipped with an HC-SR04 sensor to measure distance and a KY-037 sensor to detect sound amplitude, integrated with Python-based data analysis for determining the resonance frequency. The measurement results show that the use of effective length with tube radius correction and improved frequency determination methods can reduce error from 1.33% to 0.24%, as well as decrease the standard deviation from 0.45 cm to 0.37 cm. Furthermore, quality factor analysis indicates an increase in the average value from 20 to 31, suggesting that the implemented resonance system and analysis method provide more accurate results, despite increased variability. Overall, the system successfully delivers more precise measurements in the analysis of resonance characteristics in closed organ pipes, particularly in relation to energy dissipation.
Designing a Restitution Experiment Using Smartphone Sound Sensor Fathinah, Najmi Hiyan; Asep Akmal Fadia Nurhalim; Rahma Alliya Aqquilla; Ika Mustika Sari; Alfiansyah Sandion Prakoso; Rizki Zakwandi
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 1 (2025): May Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i1.4409

Abstract

This study explores the efficiency level of two experimental methods for determining the coefficient of restitution, which have been widely conducted in previous research. Using smartphones as tools in physics experiments, the coefficient of restitution can be determined through visual analysis (camera) and sound sensors to detect collisions. Phyphox is used to record time intervals and the height of the ball after impact based on the sound of the collision with the floor. Additionally, Tracker is employed for visual motion analysis of the object during the collision. The coefficient of restitution calculated using Phyphox yielded a value of 0.894 ± 0.017, while Tracker provided a value of 0.888 ± 0.014. The results indicate by reviewing the percentage error between the two methods (0.715%), Phyphox and Tracker can provide accurate data for determining the coefficient of restitution, making them effective and efficient physics experiment-based learning tools in schools.
High School Students' Scientific Argumentation Skills on Static Fluid Ivan Danar Aditya Irawan; Sarah Lutfiah Ardilla; Sayyidah Assadillah Almujaddid; A. Syafriyana
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 1 (2025): May Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i1.4452

Abstract

The need to improve students' argumentation skills through phenomenology learning approaches encourages efforts to map scientific argumentation skills. the research aims to determine students' argumentation skills on static fluid. Qualitative research with survey method using questions about static fluid phenomena in everyday life. random sampling obtained 33 students from one of the State High Schools in Malang Regency as samples in the study. Data were analyzed by mapping the level of scientific argumentation skills. The results showed that students' argumentation skills were spread from level 1 to level 4 with the majority at level 2. At this level, students are generally able to provide claims consisting of data and reasoning. This achievement shows that students' scientific argumentation skills are relatively low. Future research can design innovative models and media to improve students' scientific argumentation skills.
Studi Eksperimen Penggunaan Simulasi PhET dan Metode Drill dalam Pembelajaran Fisika Gerak Peluru pada Mahasiswa Teknologi Hasil Pertanian Nurhatmi, Jules
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.3849

Abstract

This study aims to compare the effectiveness of using PhET simulations and the drill method in physics education, specifically on the projectile motion concept, for students of the Agricultural Technology program. The study employed a quasi-experimental method with a pretest-posttest design on two groups of students. The experimental group (R001), consisting of 37 students, used PhET simulations, while the control group (R002), consisting of 40 students, used the drill method. The results showed a significant increase in learning outcomes for both groups. The average posttest score of the PhET simulation group increased from 50.41 to 87.15, while the drill group's average score increased from 49.75 to 76.05. An independent t-test showed a significant difference between the two groups' posttest results (p<0.001). This study concludes that PhET simulations are more effective in improving students' understanding of projectile motion concepts compared to the drill method. PhET simulations allow students to manipulate variables interactively, while the drill method focuses more on repetition of problem-solving
Analisis Besar Medan Magnet Solenoida Menggunakan Simulasi Virtual Laboratorium Explerify Jannah, Syahida Arifatul; Adam Malik
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.3914

Abstract

This study aims to analyze the magnitude of the magnetic field in a solenoid using the Explerify virtual laboratory simulation. The study was conducted with a quantitative approach by varying the number of turns (N) and electric current (I), while the coil radius (r) was kept constant at 0.015 m. The simulation results show that the magnetic field increases linearly with increasing number of turns, in accordance with Ampère's Law theory. Comparison between the simulation results and theoretical calculations shows an average difference of around 11–12%. This difference is thought to be caused by parameter limitations in the simulator, especially the length of the solenoid (L), as well as the influence of end effects that are not taken into account in ideal theoretical calculations. Thus, the results of this study indicate that the Explerify virtual laboratory can be an effective alternative for quantitative analysis.
Pembuatan Sensor SnO₂ untuk Memantau Multi-Parameter dalam Proses Pembusukan Makanan Toifur, Moh.; Setiawan, Indra Budi; Ishafit; Hajatulloh, Ridlo; Okimustava; Susanto, Eko
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.4440

Abstract

This study reports the development of a tin dioxide (SnO₂)-based gas sensor fabricated via the electroplating method for monitoring food spoilage. Urap vegetables were used as test samples to investigate variations in temperature, CO₂ concentration, humidity, and sensor resistance during the spoilage process. The results revealed that the SnO₂ sensor exhibited a clear response to temperature and CO₂ concentration, both of which showed a consistent decrease in resistance with increasing values. In contrast, no definitive correlation between resistance and humidity was observed. These findings highlight the potential of electroplated SnO₂ sensors as multi-parameter devices for real-time food spoilage monitoring. Such an approach could be further optimized for practical applications in smart packaging and food quality control, thereby supporting food safety and waste reduction.
Pengembangan dan Uji Terbatas Instrumen Diagnostik Miskonsepsi pada Materi Fluida Dinamis dengan Analisis Model Rasch Firna Agustin; Agiva Dianda Astri; Tresna Galih Sukma Suryana
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.4569

Abstract

This study aims to develop and validate a diagnostic instrument based on Google Forms to identify students' misconceptions on dynamic fluid material, including the concepts of discharge, continuity equations, Bernoulli's law, and Torricelli's theorem. The research was conducted using the Research and Development (R&D) method with a 4-D development model (Define, Design, Develop, and Disseminate), but was only implemented up to the Develop stage because implementation was limited. The research subjects consisted of 35 eleventh-grade students from a Madrasah Aliyah in Serang City. The research process included instrument development, expert validation, limited testing, and data analysis using the Ministep Rasch model. The results showed that the instrument had sufficient validity and reliability, with an instrument reliability of 0.91 (good category). This instrument is effective in identifying students' misconceptions, especially regarding Bernoulli's principle. This article can contribute to the development of physics learning evaluation based on diagnostic tests.
e-LKPD Berbasis Project Based Learning Berpendekatan STEM Materi Fluida Dinamis untuk Meningkatkan Literasi Sains Maulida, Ana; Yulianti, Dwi
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.4711

Abstract

This study aims to describe e-LKPD based on PjBL-STEM in improving students' scientific literacy, determine the feasibility and readability of e-LKPD, and the development of students' scientific literacy after its implementation. The study used the R&D method with the ADDIE model and a quasi-experimental nonequivalent control group design approach. The research subjects consisted of grade XI students of MAN 1 Kab. Semarang. Data were collected through observation, interviews, and written tests. The e-LKPD with the STEM approach was compiled according to the PjBL syntax and contained indicators of scientific literacy. The validation results showed a very feasible category, while readability was in the very good category. The increase in scientific literacy of students in the experimental class was higher than in the control class. The conclusion shows that e-LKPD based on PjBL-STEM is effective in improving students' scientific literacy.
Simulasi Gerak Pengejaran Misil terhadap Target dengan Lintasan Melingkar Menggunakan Python Lahera, Lourensia Bravini; Namira, Cinta Marcella; Siregar, Elisa; Wulandari, Dewi; Situmorang, Howard; Warty, Yuni
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.4734

Abstract

This study aims to model the pursuit motion between guided missiles and a circularly moving aircraft using Python-based numerical simulation. The target moves along a circular path with a constant angular speed, while the missile follows a pure pursuit strategy, continuously adjusting its path toward the target's current position. Two scenarios are simulated: single pursuer and multi-agent pursuers. In the single-missile scenario, the missile forms a spiral trajectory and intercepts the target in approximately 4.9 seconds. In the multi-agent configuration, five missiles launched from different vertical positions successfully destroy the target within 8.3 seconds, with the first interception occurring at 6.7 seconds. The model is based on numerical solutions of differential equations governing relative motion dynamics. The results demonstrate that increasing the number of pursuers enhances interception speed and system effectiveness. The study is supported by animations, distance-time graphs, and damage analysis.
Rekonfigurasi Antena Folded Dipole Mikrostrip Berbasis Laser Merah dan Microwave Multifunctional Analyzer (MMA) Siregar, Aslam Chitami Priawan; Pramono, Yono Hadi; Yudoyono, Gatut; Tamimah, Ni’matut
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.4745

Abstract

With the increasing use of communication devices across various regions, antennas with stable signal performance are essential to ensure reliable information transmission. In this study, a microstrip folded-dipole antenna operating in the SHF band was developed using a reconfiguration mechanism based on a 650-nm red laser and metamaterial absorber (MMA). The initial antenna structure was designed and simulated in CST software with a target operating frequency of 9 GHz. Experimental results show that the antenna without a resonator exhibits an operating frequency of 13.77 GHz when the laser is off and 3.15 GHz when the laser is on. When integrated with the resonator, the operating frequencies shift closer to the simulation results, ranging from 15.75 GHz (laser off) to 7.02 GHz (laser on). The return-loss performance also improves with the implementation of the resonator. Without the resonator, the antenna achieves −33 dB return loss in laser-off mode and −34.15 dB in laser-on mode. With the resonator, the return loss values are −21.88 dB (laser off) and −26.61 dB (laser on). These findings indicate that the proposed configuration technique is applicable for outdoor Wi-Fi signal enhancement in the 5 GHz band and as a blind-spot sensing element for automotive radar systems.

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