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INDONESIA
JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI
Published by Universitas Islam Negeri Raden Intan Lampung
ISSN : 23031832     EISSN : 2503023X     DOI : 10.24042
Core Subject : Science, Education, Engineering,
Earth & Planetary Sciences Education Electrical & Electronics Engineering Physics
Jurnal Ilmiah Pendidikan Fisika Al-Biruni is a medium of communication used by researchers, lecturers, teachers, practitioners, and University student for submitting result of studies and prioritized result of research in the field of theoretical physics, applied physics, and physics learning include: development of instruments of evaluation physics, development of instructional media physics, the development of learning model of physics, and Quasi-Experiment. Jurnal Ilmiah Pendidikan Fisika Al-Biruni published comprehensive research articles and reviews by leading experts in the field. Selected articles, which has a high scientific achievement, provide important new knowledge, and high benefits to society of physics and physics education. The Journal was first published in 2012 and regularly published twice per year in April and October. Since 2014 this journal began in the online.
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Articles 9 Documents
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Search results for , issue "Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni" : 9 Documents clear
Physicochemical Properties of Characterization of PVP/CA/AE Nanofiber Pulungan, Meuretta Alawiyah; Sriyanti, Ida; Marlina, Leni
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.14904

Abstract

Nanofibers are nanotechnologies with cross-sectional diameters ranging from tens to hundreds of nanometers. We explained the definition of nanofibers and their unique physicochemical characteristics. This study aimed to see the characterization of Polyvinyl pyrrolidone/Cellulose acetate/Aloe vera extract fiber. The fiber was made with a concentration of PVP/CA in 13% (w/w) and an Aloe vera extract in 10% (w/w) using the electrospinning method. The electrospinning technique involves an electrohydrodynamic process in which liquid polymer droplets are electrified to produce jets that elongate to produce fibers. Electrospinning is an easy, fast, and simple technique for producing fibers with sizes ranging from micrometers to nanometers. Process parameters used in this research, such as flow rate of 0,20 ml/hour, high voltage of 12 kV, and drum speed is 200 rpm with the distance to the needle tip of the collector is 75 cm. The result showed that fiber PVP/CA/AE morphology is bead free and homogeneous. The average diameter of PVP/CA/AE fibers was 1115 nm.These results indicate that the resulting fiber is in the form of nanofibers. A small fiber diameter will result in a broader surface area. The XRD result shows that the PVP/CA/AE fibers have a semi-crystal phase.
Design of a Microcontroller-based Hydrostatic Pressure Experiment Tool in Science Education Angjelina, Putri; Prima, Eka Cahya; Riandi, Riandi; Anwar, Sjaeful
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.15177

Abstract

This study aims to create a microcontroller-based hydrostatic pressure experiment tool in science education. The digital system makes the tools used more effective and time-efficient. The digital system used in this tool consists of a microcontroller, digital display (LCD), and the MS5637 Barometer sensor. This series of tools processes digital data into hydrostatic pressure, displayed on the LCD. The method used in this study is following Archimedes' principle. The independent variable in this study is the depth of the funnel thrust into the measuring cup, while the dependent variable is the hydrostatic pressure displayed on the LCD. The results showed that the hydrostatic pressure valuesobtained were close to theoretical calculations. Then, the r-squared result between Δh of water and hydrostatic pressure through experiments with a microcontroller (Arduino) is 0.9981. This value is good enough to show the proportion or percentage of hydrostatic pressure affected by Δh of water. Thus, experiments using this tool are quite effective in science learning.
Resistor and Capacitor Time Constant Measuring Instrument Using Arduino UNO Prayogi, Soni; Silviana, Fitria; Saminan, Saminan
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.15323

Abstract

The most interesting problem to be discussed in electrical physics is one-way electric circuits. In this work, the researchers constructed an experimental setup for determining the time constant of DC resistors and capacitors using the open-source Arduino UNO hardware platform. Arduino UNO was a signal generator for data collection systems and a simple signal visualization instrument. Experiments were carried out using an analog oscilloscope combined with theoretical calculations. The results show that, on a spreadsheet, the data processing and fitting of the curves for the six Resistor and Capacitor test sets yielded values determined by the component tolerances. The researchers believe that the design of this equipment and software demonstrates the recommended suitability, making it flexible for use in teaching and learning in laboratory contexts.
Solution of Klein-Gordon Equation in F(R) Theory of Gravity Romadani, Arista
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.15340

Abstract

The  theory, as a modification of the general relativity theory, is frequently employed as an alternative theory of gravity and offers a promising avenue for addressing the challenges of formulating a quantum gravity theory. In this study, by applying the separation method of time, radial and angular variables, we derived the general solution of the Klein-Gordon equation in a curved space-time using modified Schwarzschild metric. We modified Ricci scalar  form in Einstein’s action principle as a general function of Ricci scalar  and formulated the general Schwarzschild metric. The solution of the time function was analytically obtained in exponential form, and the solution of the angular function in terms of Legendre polynomial depends on azimuthal and magnetic quantum numbers. The radial function in terms of a non-linear second-order differential equation was solved by a numerical method using Python. The solutions described the gravitational effect for a light particle on the area gravitationally has a strong interaction, represented by a spherically symmetric metric. For small  (in Schwarzschild radius), the results analytically show that the gravitational effect in this region is massive. It follows that even light would be drawn into a black hole and unable to escape. For further research, it is expected to extend the Klein-Gordon equation in relativistic quantum mechanics to modified general relativity theory. This theory offers a different way of looking at the effects of gravity in quantum field theory.
Earth Gravity Detection System with Altitude Variations Using Phypox Application Integrated with Smartphone Acoustic Sensors Sebastian, Rio; Suparno, Suparno; Winingsih, Puji Hariati; Saputro, Handoyo; Hapsari, Nadya Amalia Putri
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.15462

Abstract

This study aims to examine the effect of altitude on the acceleration of gravity with the help of smartphone acoustic sensors. The altitude varies from the interval 100-1061 MASL (Mean Above Sea Level), located around the Special Region of Yogyakarta. An iron ball is dropped from a certain height, and the time it falls is observed using an acoustic sensor in Phypox, and the results are used to determine the acceleration value due to gravity (g) through the equation g = 2h/t2. Fitting data from measurements of the four altitude variations are shown in the polynomial equation y = 0.000003x2 – 0.0035x +10.718 m/s2 with a regression number R2 = 1,000. This equation shows that the acceleration value due to gravity will decrease quadratically with each increase in the altitude per meter above sea level.
Trend of Rainfall Pattern in Palembang for 20 Years and Link to El-niño Southern Oscillation (ENSO) Ariska, Melly; Putriyani, Fena Siska; Akhsan, Hamdi; Supari, Supari; Irfan, Muhammad; Iskandar, Iskhaq
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.15525

Abstract

One factor that significantly affects rainfall in Indonesia, especially in Palembang City, is the El-Nino Southern Oscillation (ENSO). This study aims to determine how big the correlation is and when the highest correlation occurs between the Nino 3.4 Index and rainfall during the 2001-2020 period. The stages of analysis carried out to carry out this study are as follows: 1) downloading daily rainfall data for 20 years, 2) processing the raw data to make it homogeneous, and 3) correlation analysis to find out when the highest correlation occurs between rainfall and the Nino 3.4 Index. The results show that the highest correlation occurs in September at -0.524, August at -0.481, and October at -0.439. The influence of the Nino 3.4 Index produces a negative relationship. If the Nino 3.4 Index increases, it will affect the maximum temperature at the sea surface so that rainfall will decrease and cause drought. The results obtained can also be used as a prediction or forecast of the inflow of rainfall and the length of the rainy season.
Validity and Practicality of Scientific Literacy Assessment Instruments Based on Tornado Physics Enrichment Book Mulyana, Venny; Desnita, Desnita
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.15934

Abstract

Scientific literacy prepares citizens to become responsible and sensitive to the problems around them. An instrument that can measure all aspects of scientific literacy is needed to assess students' scientific literacy. This study determined the validity and practicality of the scientific literacy assessment instruments based on the tornado physics enrichment book. Scientific literacy instruments were developed in four aspects: context, competence, and knowledge (in the form of essay tests), and attitudes toward science (self-assessment questionnaires). This study was research and development. The ADDIE development model uses stages such as analysis, design, development, implementation, and evaluation. With valid categories, the expert validation for each aspect is content 0.81, construct 0.86, and language 0.85. With very practical criteria, a practicality value of 83.7% was obtained in the data analysis for the practicality test for teachers. With very practical criteria, the practicality test data analysis on students yielded a practicality value of 85.3%. The study results concluded that the scientific literacy assessment instrument developed as a result of the test was valid and practical. The results of this study are expected to be used as an assessment instrument to measure students' scientific literacy abilities.
Integrating Pentatonic Angklung into Physics Experiment to Identify Multiple Representation Skills in Junior High School Rahmat, Anggi Datiatur; Kuswanto, Heru; Wilujeng, Insih
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.15984

Abstract

Angklung is a traditional musical instrument from West Java that can be used as a learning medium for sound concepts. The study focuses on pentatonic Angklung as a musical instrument commonly used in Ngaseuk ceremonies as rice planting rituals in the Baduy tribe. This study aims to report the integration of pentatonic Angklung into physics experiments and investigate multiple representation skills. Technology-based mobile used as an experimental tool is Phypox. The designed activity aims to identify multiple representation skills using guided-inquiry models in four stages: Open, Explore, Create, and Share. The study participants are 31 8th-grade students at one of the junior high schools in West Java Province, Indonesia. Experiment activities investigate variables that affect the frequency of the pentatonic Angklung. A worksheet guides experiment activities following the syntax of the guided-inquiry model. The study results show that students use different representations at each stage in the worksheet. Students use four representations in this experimental activity: verbal, mathematical, pictorial, and graphical. It can be concluded that integrating pentatonic Angklung into physics experiments can identify students' multiple representation skills in junior high school.
Soft Scaffolding Strategy: An Adaptive Post-Pandemic Learning to Facilitate Prospective Physics Teacher’s PCK Nurulsari, Novinta; Abdurrahman, Abdurrahman; Suyanto, Eko; Distrik, I Wayan; Ertikanto, Chandra
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 12 No 1 (2023): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v12i1.16071

Abstract

Teacher professional development programs extensively focus on enhancing teachers’ pedagogical content knowledge (PCK). Given the ongoing programs targeting the improvement of existing teachers’ PCK, there's an evident need for strategies that prepare future educators more effectively. While soft scaffolding has significantly contributed to fostering 21st-century skills among students, its potential in bolstering the PCK of prospective Physics teachers remains under-explored. This study addresses this gap by formulating a soft scaffolding strategy, tailored for post-pandemic learning scenarios, aimed at enriching the PCK of future physics educators. Employing a research and development approach, the ADDIE development design model was utilized. This strategy, termed EPiSODe, integrates key components: Encouraging students, Picking the learning concept, Simulating the learning process, Offering further consultation, and Demonstrating the learning process. Piloted with 52 prospective teachers in Lampung in their third year of Physics Courses, the strategy showcased effectiveness in augmenting their PCK.The results of the data analysis show that the soft scaffolding strategy was effective in increasing the PCK of prospective Physics teachers. The implications of this research include that soft scaffolding learning strategies can be implemented and adapted to the difficulties of candidates in developing PCK competencies. Therefore, to improve the quality of learning for prospective physics teachers and minimize misconceptions or low PCK, this strategy can continue to be developed in case-based learning activities or team-based projects at the higher education level.

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