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Phi : Jurnal Pendidikan Fisika dan Terapan
Published by Universitas Islam Negeri Ar-Raniry Banda Aceh
ISSN : 24604348     EISSN : 25497162     DOI : -
Core Subject : Science, Education, Engineering,
Earth & Planetary Sciences Education Engineering Physics Other
Jurnal Phi teregistrasi dengan ISSN : 2549-7162 (daring) dan ISSN : 2460-4348 (cetak) adalah jurnal yang mempublikasikan hasil-hasil riset dalam lingkung fisika dan pendidikan fisika yang berdampak pada pengetahuan dan teknologi. Kami tidak menerima tulisan yang masih berupa hasil pendahuluan atau tidak mengandung kebaruan. Jurnal Phi juga mempublikasikan penelitian interdisiplin ilmu yang mendukung pengembangan fisika dan pendidikan fisika. Secara khusus, topik-topik dan lingkup yang diterbitkan terdiri dari: Pengembangan model, metoda dan pendekatan pembelajaran. Pengembangan teknologi media pembelajaran dalam pendidikan fisika. Psikologi pendidikan fisika. IPA terpadu yang relevan dengan pendidikan fisika. Instrumentasi dan komputasi untuk teknologi pendidikan fisika. Fisika terapan termasuk geofisika dan teknologi material
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 203 Documents
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Enhancing Stratigraphic Geomodelling through Integration of Relative Geological Time and Spectral Decomposition: A Case Study from the Volve Field Zahra, Dinanti Syafirani; Agustine, Eleonora; Hidayat, Ginanjar; Ramadani, Rafiki; Atthaillah, Luthfi Tanton
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.34465

Abstract

This study aims to enhance stratigraphic interpretation and geomodel construction through the integration of Relative Geological Time (RGT) and spectral decomposition in the Volve Field, North Sea. Conventional seismic interpretation often faces limitations in identifying subtle stratigraphic features such as channels and thin layers due to limited vertical resolution. To address this issue, RGT was applied to generate a stratigraphic framework with dense horizons based on relative geological time, followed by spectral decomposition using Short-Time Fourier Transform (STFT) and Continuous Wavelet Transform (CWT) to improve vertical resolution and delineate depositional features. The results show that the RGT-based stratigraphic framework successfully identified major horizons from Jurassic to Cenozoic intervals, highlighting depositional evolution within the study area. Spectral decomposition analysis at selected frequencies revealed sinuous channel geometries within the Sleipner and Hugin formations. Comparison between methods indicates that STFT provides more laterally continuous channel delineation, while CWT is more sensitive to local amplitude variations. RGB blending further enhanced visualization of channel features and improved geobody extraction. The integrated interpretation produced a three-dimensional geomodel of channel geobodies, indicating fluvio-deltaic to shallow marine depositional systems with significant lateral heterogeneity. This study demonstrates that integrating RGT and spectral decomposition improves stratigraphic interpretation, enhances geobody delineation, and reduces uncertainty in reservoir characterization. The proposed workflow can be applied to other complex depositional systems to improve stratigraphic geomodeling and reservoir analysis.
Analysis of Electrical Properties of Activated Carbon from Empty Oil Palm Fruit Bunches (EOPFB) Against Variations in Chemical Activation Materials Tarigan, Erna Krisda Wati Br; Pakpahan, Frada Erisa; Sari, Nirmala; Rahmawati, Rahmawati; Fadlly, Teuku Andi
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.32009

Abstract

Empty Oil Palm Fruit Bunches (EOPFB) have a high organic content such as cellulose, hemicellulose, and lignin which have the potential to be used as raw materials for activated carbon. This study aims to analyze the electrical properties of activated carbon produced from EOPFB using various chemical activation materials, namely KOH, ZnCl2, and CuCl2. The synthesis process includes drying, carbonization at 600 ℃ for 1 hour and chemical activation for 24 hours. Characteristics of diffraction patterns using X-Ray Diffraction (XRD). Electrical properties of resistivity and conductivity using the 4-point probe method. In addition, the capacitance and dielectric constant using the parallel plate method. The results of this study show that the diffraction pattern of activated carbon from EOPFB generally forms an amorphous phase.  Activated carbon with ZnCl2 chemical activation increases the electrical conductivity, which is 1.15 × 108 S/m compared to KOH at 4.1 × 10-1 S/m and CuCl2 at 1.9 × 10-1 S/m. The capacitance value increased with chemical activation of CuCl2, namely 4.44 × 10-3 F/g compared to ZnCl2 at 3.8 × 10-3 F/g and KOH at 1.06 × 10-3 F/g. The dielectric constant value of activated carbon increased by using chemical activation of CuCl2, namely 5.6 × 1010 compared to ZnCl2 of 5.3 × 1010 and KOH of 1.5 × 1010. It has potential as a dielectric material for capacitors.
Beyond Site Effects: Azimuthal Dependence of Ground Motion Residuals in the Volcanic Arc and Sedimentary Basins of West Java, Indonesia Sudibyo, Reno; Wijayanto, Wijayanto; Gustono, Sandy Tri
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.34186

Abstract

The complex tectonic setting of West Java, characterized by the interaction between the Sunda volcanic arc and deep sedimentary basins, presents significant challenges for seismic hazard assessment. This study recalibrates a local Ground Motion Prediction Equation (GMPE) using a hybrid regression strategy to isolate non-ergodic path effects. We implemented a constrained regression for Site Class C fixing the saturation parameter d = 5.80 to match the Class D baseline and applied site-term corrections for Class B. Our results reveal a weak correlation between residuals and  (R = 0.215), suggesting that shallow soil velocity is a suboptimal proxy for ground motion variability in this region. Instead, a distinct azimuthal anisotropy emerged, characterized by a dipolar residual pattern. Significant high-frequency attenuation (negative residuals) was identified in azimuths crossing the Quaternary Volcanic Arc, likely driven by multiple scattering in fractured magmatic media. Conversely, systematic amplification (positive residuals) was observed towards the Jakarta and Bandung Basins, consistent with deep basin resonance. These findings underscore the necessity of integrating azimuthal path terms into regional hazard models. Moving beyond 1D site-effect proxies is critical for enhancing the accuracy of Earthquake Early Warning (EEW) systems and urban seismic mitigation in West Java’s densely populated basins.
Soil Physics Analysis of pH and Water Retention Capacity in Productive Paddy Fields and Soils Degraded by Waste-Burning Residues Siregar, Hanna Aulia; Agustini, Insya Widiya; Khairiah, Khairiah; Kechik, MM Awang
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.34302

Abstract

This study investigated the differences in soil pH and water retention capacity between productive paddy soil and soil degraded by waste combustion residues from a soil physics perspective. The waste combustion soil used was household waste combustion soil containing organic and inorganic waste. Combustion residues can alter the physicochemical properties of the soil, particularly porosity, capillarity, and moisture dynamics, which affect soil water retention behavior. A comparative quantitative approach was used by collecting soil samples at a depth of 0–20 cm from two different locations. Soil pH was measured using a digital pH meter, while water retention capacity was analyzed using standard laboratory procedures. The results showed that the productive paddy soil exhibited a pH close to neutral (6.8), higher porosity, stronger capillary action, and high water retention capacity (90%). In contrast, the degraded soil exhibited alkaline conditions (pH 8.7), reduced pore connectivity, impaired moisture dynamics, and lower water retention capacity (60%). These findings suggest that waste combustion residues negatively impact soil structure and water retention mechanisms. Therefore, appropriate waste management and soil rehabilitation strategies are needed to restore soil function and agricultural productivity.
Nutmeg Oil as an Anesthetic for Enhanced Gas Diffusion in High-Density Seabass Seedlings Wahab, Gunawan Abdul; Cut Laura, Cut Laura; Putra, Dedi Fazriansyah; Al-Fairusy, Muhajir
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.34449

Abstract

Asian seabass (Lates calcarifer) is a high-value aquaculture species cultivated to supply domestic and export markets. However, water quality deterioration during transport—marked by declining dissolved oxygen (DO) and rising carbon dioxide (CO₂) levels due to increased fish respiration and limited gas diffusion governed by Henry's Law—can induce stress and reduce seed survival. This study aimed to evaluate the effect of nutmeg oil (Myristica fragrans Houtt.) as an anesthetic on the survival and physiological response of Asian seabass seeds transported at different stocking densities, and to determine the optimal density for wet closed-system transportation. The experiment, conducted in February 2025 at the Faculty of Marine and Fisheries, Syiah Kuala University, employed a completely randomized design with five treatments and four replications. Treatments included a control (without anesthetic) and nutmeg oil administration (1.0 ppm) at densities of 25, 35, 45, and 55 fish. Transportation lasted for eight hours. Nutmeg oil significantly affected anesthesia induction and recovery time (P<0.05) but had no significant effect on survival (P>0.05). The highest survival rate (98.88%) was observed at 45 fish per container with 1.0 ppm nutmeg oil. The findings suggest nutmeg oil is an effective natural anesthetic for improving transport efficiency and fish welfare, supporting SDG 14 (Life Below Water) through sustainable aquaculture practices.
Seismic Site Characterization Using Horizontal-to-Vertical Spectral Ratio (HVSR) Analysis of Ambient Noise at Sukasari Village, Sumedang, West Java Susetyo, Dimastian Hari; Jamaluddin , Jamaluddin; Rosandi, Yudi
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.34442

Abstract

Local geological conditions can significantly influence seismic wave amplification during earthquakes, particularly in regions composed of unconsolidated volcanic deposits. This study aims to characterize the seismic site conditions of Sukasari Village, Sumedang Regency, West Java, using the Horizontal-to-Vertical Spectral Ratio (HVSR) method based on ambient seismic noise measurements. A total of 72 microtremor measurement points were distributed across the study area to capture spatial variations in near-surface geological conditions. HVSR analysis was conducted to determine key parameters, including dominant frequency (), amplification factor (), dominant period (), and the seismic vulnerability index (). The results show that  values range from 1.1 to 19.1 Hz,  ranges from 0.058 to 1.788 s,  ranges from 1.4 to 7.3, and  ranges from 1.0 to 22.8, indicating significant variations in sediment thickness and subsurface stiffness across the study area. Areas characterized by low  values and high  and  are associated with thick unconsolidated sediments that have a higher potential for seismic wave amplification, whereas areas with high F₀ and low Kg correspond to compact volcanic formations with relatively stable ground conditions. These findings demonstrate that the HVSR method effectively identifies spatial variations in local site response and provides important information for seismic microzonation and earthquake-resilient land-use planning in Sukasari Village.
Design of Parabolic Motion Simulation Using R for Physics Learning Lisnawati, Lisnawati; Nurhayati, Nurhayati
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.32688

Abstract

Students’ understanding of parabolic motion remains low due to the abstract nature of the concept and the limited use of effective visualization media in learning. This study aims to develop an interactive learning medium in the form of a parabolic motion simulation using the R programming language with the R-Shiny framework, as well as to evaluate its feasibility through expert validation. This research adopts the Research and Development (R&D) method with the Alessi and Trollip model, which includes planning, design, and development stages. The novelty of this study lies in the integration of the R-Shiny framework into physics learning, which is still rarely utilized, particularly for developing interactive simulations at the higher education level. The developed simulation enables dynamic visualization of projectile motion and facilitates exploration of relationships between key variables. The validation results show an Aiken’s V value of 0.99 from media experts and 0.94 from subject matter experts, both categorized as highly valid. These findings indicate that the developed simulation is feasible and effective as an interactive learning medium. It contributes to physics education by enhancing conceptual understanding, promoting active learning, and providing an accessible platform for visualizing two-dimensional kinematics.
Effects of the ARCS Instructional Model on Undergraduate Students’ Motivation and Learning Outcomes in an Online Basic Physics Course Permadi, Dimas; Zakiya , Hanifah; Rahayu, Chika
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.33060

Abstract

This study investigates the effectiveness of the ARCS motivational model (Attention, Relevance, Confidence, Satisfaction) in improving undergraduate students’ motivation and learning outcomes in an online Basic Physics course. A one‑shot case study design was employed with a single cohort of students (n = 37). Learning motivation was measured using a validated ARCS‑based questionnaire, while learning outcomes were assessed through a post‑test aligned with four Sub‑CPMK indicators. Descriptive statistics and the Wilcoxon signed‑rank test were used to analyze the data. The Wilcoxon test compared students’ post‑test scores against the predetermined minimum competency standard (KKM = 70). Results showed generally high levels of motivation across most indicators (61.95%–80.26%), although engaging learning activities fell within the moderate category (53.78%). Learning outcomes varied substantially, with the highest performance recorded in Sub‑CPMK 3 (analyzing motion through data, graphs, and equations) at 83.2%, and the lowest in Sub‑CPMK 2 (vector analysis and dipole moment concepts) at 14.6%. The Wilcoxon signed‑rank test yielded a significant result (p = 0.000), indicating that student performance significantly exceeded the KKM benchmark. These findings suggest that the ARCS model effectively enhances motivation and conceptual understanding, particularly for visually representable content, while highlighting the need for additional instructional scaffolding (e.g., progressive visual support and guided practice) to improve learning of abstract concepts such as vectors and dipole moments. Future research is recommended to employ stronger experimental controls (e.g., pretest‑posttest control group designs) and item‑level analyses to further validate the applicability of the ARCS model in online physics education.
Identification of Subsurface Structures in Jaboi Hot Spring Sabang Using Electrical Resistivity Tomography Darisma, Dian; Idris, Syafrizal; Munir, Badrul; Marwan, Marwan; Salsabila, Rifa Salma
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.33905

Abstract

The Jaboi geothermal field possesses a capacity of 50 MWe and is set to be developed into a power plant with a configuration of 2x5 MWe. This study seeks to develop a more detailed subsurface model utilizing the two-dimensional electrical resistivity tomography near Jaboi hot spring. This study employs the Wenner-Sclumberger configuration, which effectively characterizes subsurface models in horizontal and vertical dimensions. This method effectively models subsurface conditions by categorizing the resistivity values of rocks into three distinct layers. From line JB1, it can be interpreted as a fluid path, supported by the presence of surface manifestations. It remains uncertain whether a fluid path is present in line JB2. The rock interpretation results at the study site indicate a predominance of tuff mixed with pumice flakes and sandstone and clay tuff combined with agglomerates. The aquifer layer at the study site begins at a depth of 50 m, exhibiting a resistivity value ranging from 2 to 10 Ωm.
Mapping of Physicochemical Properties of Well and River Water in Sayang and Cikeruh Villages, Sumedang Regency Arisandy, Maharani; Fitriani, Dini; Agustine, Eleonora; Kirana, Kartika Hajar; Atthailah, Luthfi Tanton; Fidela, Shafa Maura; Pamula, Alden Rizqi; Fajar, Raya Putra Sang
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.34214

Abstract

Water is an essential resource for human life, yet its quality has declined due to population growth and land-use changes. Sayang and Cikeruh Villages in Jatinangor District have experienced environmental pressures from land conversion and domestic activities that may affect groundwater and surface water quality. This study aims to map and analyze the physicochemical parameters of water, including temperature, pH, electrical conductivity (EC), and total dissolved solids (TDS), in well water and the Cikeruh River. Measurements were conducted at ten well and nine river sampling points and analyzed using descriptive, spatial, and multivariate methods. The results show that most well water samples meet clean water quality criteria; however, several locations exhibit elevated EC and TDS values and slightly acidic pH, indicating the influence of surrounding residential activities. In contrast, river water quality remains within acceptable limits for all measured parameters. Multivariate analysis reveals a strong correlation between EC and TDS in both well and river water, indicating their importance as key indicators of water quality. Spatial analysis shows that water quality in the southern part of the study area tends to be lower than in the northern part. Continuous monitoring and appropriate water resource management are therefore necessary to maintain water quality in the study area.

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