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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 206 Documents
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Greenhouse Gas Emission Estimation and Sustainable Municipal Solid Waste Management Development Strategy in Banda Aceh Anggraini, Wahyu Utami; Fathma, Syarifah Seicha; Harahap, Juliansyah
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.v12i2.34840

Abstract

omestic waste management activities produce greenhouse gases (GHG) that account for 3-4% of the world's total GHG sources. Waste processing such as the decomposition process in landfill activities,  Aerobic and anaerobic processes in organic waste composting, and open burning waste also contributes to GHG emissions in the form of CO2, CH4, N2O, and other gases. This study aims to integrate the IPCC 2006 (Tier 2) greenhouse gas inventory method with the Sustainable Balanced Scorecard (SBSC) technique to bridge the gap between emissions quantification and strategic environmental planning. This aims to support greenhouse gas emission reduction in the municipal solid waste management sector. The IPCC 2006 methodology was conducted to calculate greenhouse gas emissions, while the SBSC was utilized for transforming the emission assessment results into strategic environmental recommendations for emission reduction. This research uses secondary data obtained from DLHK3 Banda Aceh City and primary data in the form of the results of filling out questionnaires on 5 selected informants. GHG emissions of Banda Aceh City in the 2050 BaU scenario reached 11,752 Gg CO2-eq, with landfilling producing the largest GHG of 10,755 Gg CO2-eq. Meanwhile, if it is assumed that waste management conditions are in accordance with Scenario 2, the total GHG emissions in domestic waste management in 2050 will be 6,935 Gg CO2-eq. Based on the SBSC analysis, recommendations are arranged based on the lowest performance values, namely, in the environmental perspective and the social perspective.
Analysis of Students’ Critical Thinking Skills in Dynamic Fluid Concepts at MA Al-Azhar Center Melati, Sariya; Marlina, Leni; Ismet, Ismet
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.v12i2.34956

Abstract

This study aims to analyze the critical thinking skills of eleventh-grade students at MA Al-Azhar Center Baturaja on dynamic fluid concepts based on the critical thinking indicators proposed by Robert H. Ennis. The research employed a descriptive quantitative approach using a saturated sampling technique, involving 30 students as the research subjects. The instrument used was a multiple-choice test consisting of 15 items covering seven critical thinking sub-indicators adapted from Ennis’ critical thinking framework, namely problem formulation, argumentation, deduction, interpretation, induction, evaluation, and decision-making and implementation. Data were collected after the completion of the learning process and analyzed descriptively by calculating the percentage of achievement for each indicator. The results indicate that students’ critical thinking skills are in the moderate category and are not evenly distributed across all indicators. The highest achievement was found in the induction indicator (58.33%), while the lowest was in problem formulation (33.33%). Other indicators, such as argumentation (51.67%), deduction (46.67%), interpretation (41.67%), evaluation (53.33%), and decision-making and implementation (52.22%), were also categorized as moderate. These findings suggest that students still experience difficulties in the initial stages of critical thinking, particularly in understanding and interpreting problems. Therefore, more comprehensive instructional strategies that emphasize the development of critical thinking skills are needed to optimally improve students’ abilities.
Electrical Resistivity Imaging on Limestone Formation for Aquifers Identification in Poguwatu Village, Central Sumba Nareswari, Aulia; Paembonan, Andri Yadi; Ruchimat, Acep
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.v12i2.35101

Abstract

Poguwatu Village in Central Sumba Regency is a dry area characterized by low rainfall and dominated by carbonate rocks, resulting in limited surface water availability and posing a persistent challenge for groundwater exploration. This study presents the first subsurface investigation using the Dipole-dipole resistivity geoelectrical method to characterize aquifer-bearing rock conducted in Poguwatu Village, West Cendana. This method has the ability to identify the conductor zone related to the saturation area where the water accumulated. Measurements were conducted along 5 survey lines, where each line has 620 m length, except Line 5 extending to 880 m, with 10 m electrode spacing. The measured data calculate in apparent resistivity value and then invert to true resistivity using least-square inversion processes. The result yielded RMS errors ranging from 17.7% to 24.8%. The inversion results identified four rock units based on resistivity values, sandy limestone saturated with saline water (< 2.0 Ωm), marl (2.0–32.0 Ωm), fractured or sandy limestone (32.0–128.0 Ωm), and compact limestone (>128.0 Ωm). A seepage with thickness ± 2 m was identified on Line 2 within the fractured/sandy limestone, bounded below by an impermeable marl. Compact limestone, with very low porosity and permeability, dominates in most of the study area and functions as an aquifuge, a finding corroborated by a dry borehole on Line 5 that failed to yield groundwater. These results indicate limited groundwater potential across Poguwatu Village, and further investigation into alternative water sources from surrounding areas is recommended for the community's water supply.
Identification of Land Subsidence Zone Distribution Using Ground Penetrating Radar Integrated with Cone Penetration Test: A Case Study of Maritime Museum and Syahbandar Tower, North Jakarta Rahim, Rizka Aulia Shakila; Triana, Alya Ayu; Irawati, Selvi Misnia; Ruchimat, Acep
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 13 No 1 (2027)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v13i1.35234

Abstract

and subsidence is a serious environmental issue in the coastal area of North Jakarta, particularly in Penjaringan District, where the historic buildings of the Maritime Museum and Syahbandar Tower are located. Identification of subsurface conditions regarding the distribution of subsidence zones is necessary to prevent structural damage that could result in significant losses. This study was conducted by integrating Ground Penetrating Radar (GPR) and cone penetration test (CPT). GPR measurements were performed using a GSSI SIR 4000 instrument at a frequency of 400 MHz, with a total of 8 survey lines and 2 CPT points. The radargram results show downward sloping reflections indicating land subsidence beneath the surface. Land subsidence zones were detected at depths of 0 – 3 m at different distances, presumably caused by deformation and uneven compaction. A fill soil layer was detected at depths of 0 – 1.5 m. The correlation between GPR and CPT data confirms the presence of sandy clay with cone tip resistance values of qc = 10–20 kg/cm² at depths of 0–4 meters, indicating very low bearing capacity consistent with the land subsidence identified in the GPR data. The results of this method demonstrate that the integration of GPR and CPT data provides a comprehensive and reliable assessment of land subsidence vulnerability as a basis for mitigation planning and sustainable development in the Jakarta area. Accordingly, this study bears significant relevance to the fields of applied physics and geophysics.
Integrated Seismotectonic Analysis of the West–Central Java Subduction System Based on Seismicity, Focal Mechanisms, and Seismic Tomography Zahrani, Deanne Ardelia; Winusda, Sinta Caenur; Hasanah, Mia Uswatun
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 13 No 1 (2027)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v13i1.35410

Abstract

Java Island lies along the convergent boundary between Indo-Australian and Eurasian plates, making it one of the most seismically active regions in Indonesia. Numerous studies have investigated seismicity, focal mechanisms, and seismic tomography beneath West and Central Java. However, these datasets are commonly interpreted separately, and integrated assessments of slab geometry and deformation variations along subduction zone remain limited. This study combines data from ISC-EHB (1964–2022), BMKG (2009–2020), and Global CMT (1976–2022) catalogs, together with records of damaging earthquakes and tsunamis. A total of 7,746 earthquakes were analyzed and integrated with a published seismic tomography model based on the AK135 velocity model through spatial mapping and vertical cross-sections constructed at 1° longitude intervals. The results show a continuous subduction system extending beneath southern Java from west to east. Shallow earthquakes (<100 km) are concentrated near megathrust interface, intermediate-depth events (100–300 km) delineate Wadati–Benioff zone, and deep earthquakes (>300 km) indicate continued slab descent into the upper mantle. Cross-sectional analysis reveals along-strike variations in slab geometry, with relatively shallow slab configurations in the western segment and steeper geometries toward the central segment. Tomographic images show high-velocity anomalies associated with the subducting slab and low-velocity anomalies interpreted as mantle wedge regions. Focal mechanism solutions are dominated by thrust faulting at shallow depths, whereas normal and strike-slip faulting become more common at intermediate depths. These observations provide additional constraints on the relationship between slab geometry, deformation processes, fault activity, and seismic hazards in West and Central Java.
Development of DEXS: A Simple GNU Octave-Based Software for Very Low Frequency Electromagnetic (VLF-EM) Data Processing Lestari, Dwi Santi; Susilawati, Anggie; Manalu, Xena Wilhelmina; Nurinsani, Muhamad Santri; Taura, Muhammad Enzy; Rachayu, Meylani Shintia; Aryangga, Kensi
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 13 No 1 (2027)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v13i1.36215

Abstract

Very Low Frequency Electromagnetic (VLF-EM) data processing currently faces two major challenges: limited accessibility due to the high licensing costs of commercial software and the limited capabilities of existing software. This study aims to develop a simple software package, named DEXS, featuring a Graphical User Interface (GUI) on the GNU Octave platform as a freely accessible open-source alternative. DEXS was developed as a single .m script and designed to integrate the entire VLF-EM data processing workflow within a unified interface, including data import, averaging of repeated measurements at each station, application of the Fraser Filter and Karous–Hjelt Filter, and visualization of results in the form of graphs and two-dimensional pseudo-section maps. The software was evaluated using two VLF-EM field datasets by comparing the outputs generated by DEXS with those produced by KHFILT. The results show that the Fraser Filter graphs, Karous–Hjelt graphs, and pseudo-section maps generated by DEXS exhibit anomaly patterns that are consistent and comparable with those produced by KHFILT. Quantitative validation using cross plot analysis yielded a very strong linear relationship (R² > 0.999), confirming that the implemented algorithms are mathematically consistent and valid for qualitative subsurface structure interpretation. DEXS also provides more comprehensive capabilities than KHFILT, including support for six-column measurement parameter input, simultaneous visualization of two survey lines, and additional displays of out-phase and field strength data. These capabilities contribute to the development of open-source geophysical software by providing an integrated, validated, and freely accessible VLF-EM data processing system that supports both educational and research applications.

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