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Utama Alan Deta
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Jurnal Penelitian Fisika dan Aplikasinya (JPFA)
Published by Universitas Negeri Surabaya
ISSN : 20879946     EISSN : 24771775     DOI : https://doi.org/10.26740/jpfa
Core Subject : Science, Education,
Astronomy Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) is available for free (open access) to all readers. The articles in JPFA include developments and researches in Physics Education, Classical Physics, and Modern Physics (theoretical studies, experiments, and its applications), including: Physics Education (Innovation of Physics Learning, Assessment and Evaluation in Physics, Media of Physics, Conception and Misconceptions in Physics, hysics Philosophy anPd Curriculum, and Psychology in Physics Education); Instrumentation Physics and Measurement (Sensor System, Control System, Biomedical Engineering, Nuclear Instrumentation); Materials Science (Synthesis and Characteristic Techniques, Advanced Materials, Low Temperature Physics, and Exotic Material); Theoretical and Computational Physics (High Energy Physics, Gravitation and Cosmology, Astrophysics, Nuclear and Particle Phenomenology, and Computational and Non-Linear Physics); and Earth Sciences (Geophysics and Astronomy).
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 7 Documents
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Search results for , issue "Vol. 12 No. 1 (2022)" : 7 Documents clear
Effectiveness of Laboratory Physical Modeling in Acquiring the Response of Time Domain Induced Polarization (TDIP) Y Yatini; Djoko Santoso; Agus Laesanpura; Budi Sulistijo
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 12 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v12n1.p34-46

Abstract

Induced Polarization (IP) is one of the Geophysical methods that utilize the polarization properties of the rocks for metallic mineral exploration. The problems are how to distinguish the metallic minerals deposit based on the chargeability. The physical modeling of IP is used to study the behavior of TDIP response. The study of a simple mathematical model is carried out to obtain the theoretical curves which are presented as the subsurface parameter. These curves are used as a reference to assess the result of physical modeling. The laboratory physical modeling uses a tank model with a size of (200x100x70) cm3, with a block as a target and water as a host medium. The results show laboratory physical modeling which has been made is quietly good. The approximate position and geometry of the target can be identified. The resistivity inversion modeling is sensitive to recognizing the geometry and position, while the chargeability inversion is on the distribution of metallic minerals. The quantitative correlation between chargeability and iron-ore content is obtained by Dipole-dipole and Wenner configuration. Both are connected exponentially, with a different exponential constant for different block targets.
The Effectiveness of the Problem-Based Learning Model Integrated STEM Approach in Improving the Critical Thinking Skills Z Zulfawati; Tantri Mayasari; Jeffry Handhika
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 12 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v12n1.p76-91

Abstract

The research was aimed to know the effectivity of the problem-based learning with STEM approach on improving the X MIPA students’ critical thinking skills’. The research was done in SMA 1 Purwantoro. The design was one group pretest posttest design. The method of the research was a simple action research. The object of the research was X MIPA students in 2020/2021, the sample was 35 students. The technique of taking the sample was simple random sampling. The instruments were the test, the self-efficacy questionnaire, the learning response questionnaire. The result of the research showed that the problem-based learning with STEM approach was effective on improving the X MIPA students’ critical thinking skills which the result of Wilcoxon rank signed test hypothesis testing The impact of the research could develop the students critical thinking skills in order to grow a problem solver character. 
Students’ Responses to the Implementation of the Inquiry-Based Pictorial Riddle Method via Online in the Concept of Fluid Static Muhammad Syukri; Wardatul Husna; Ngadimin Ngadimin; Ayu Andriani; Lilia Halim
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 12 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v12n1.p14-23

Abstract

The Covid-19 pandemic has led to the issuance of government policies that require distance learning. One approach so that students remain motivated to learn is to use a method that allows two-way interaction between teachers and students even though learning is online. The research was conducted in SMA Negeri 4 Vocational High School, class XI MIA 3, involving 34 students. The research method used was descriptive research which describes students’ responses to the implementation of the inquiry-based pictorial riddle method online. The data collection technique used four alternative answers. The research data was processed using the Likert scale. Based on the results of the study, students’ responses to the inquiry-based pictorial riddle method were very good. This is evidenced by the response from most students who feel interested and get many benefits when learning to use inquiry-based pictorial riddles during online learning.
Analysis of Equilibrium Concepts at Traditional Dance of Tari Banjarkemuning, Sidoarjo as an Innovation of Physics Learning by Ethnoscience Approach Satria Putra, Achmad Maulana; Handayani,; Prihandono, Trapsilo; Bachtiar, Rayendra Wahyu
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 12 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v12n1.p62-75

Abstract

Physics learning is rarely associated with local wisdom, so many people think the local arts have a separate topic from scientific study. This research analyzes the equilibrium concepts at Tari Banjarkemuning from Sidoarjo, East Java. This qualitative research uses content analysis techniques divided into six steps: unitizing, sampling, coding, reducing, inferring, and narrating. The data were collected by observation, documentation, and interviews. The research indicates that the equilibrium concept at Tari Banjarkemuning is the condition of equilibrium and the center of mass. The equilibrium state is shown in the motion of Embat-Embat and Solah Kembang Turi at the Sagah position (the silent moment of the dancers while inclined the bodies sideways and backward). Then, the center of mass is shown in the motion of Kejer (the dancers raise one leg) and Kencrongan (the dancers at the Tanjak position open- dancers’ legs perpendicularly at the knee). The integration of Tari Banjarkemuning in learning activities is expected for students to understand physics concepts easily. At the same time, it can make meaningful physics learning and build a better character for students.
Simulation of Land Movement Detection System Using Accelerometer Sensors and Fiber Optic Qonitatul Hidayah; Umi Salamah; Yuda Wiges Pratama
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 12 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v12n1.p24-33

Abstract

Indonesia’s geographical conditions are one of the causes of land movement. This land movement can occur due to the movement of rock masses, soil, or debris material making up the slopes. The stability of a slope is influenced by several parameters such as material, soil strength, slope angle, climate, vegetation, and time. In Indonesia, land movement disasters are placed the third rank of natural disasters that occurred throughout 2021. Thus, the development of a land movement detection system is very important for monitoring land movement disasters. In this research, a land movement detection device was developed using the ADXL 335 accelerometer sensor and fiber optic. For data acquisition, Arduino Uno, LEDs, and photodetectors were used. Arduino Uno was used to convert analog signals to digital. In addition, LEDs were used as light sources, and photodetectors were used as a receiver. Changes in the output voltage due to macrobending loss are obtained when the curvature changes due to the pendulum system. The results of the study show that the average acceleration values on the x, y, and z axes of the accelerometer sensor are 0.118 g, 0.925 g, and -2.494 g. The maximum land displacement movement that can be represented by fiber optic is 4 cm. Further, the combination use of accelerometer sensors and fiber optic can show the magnitude of the force that causes displacement, the direction of land displacement, and the magnitude of the land displacement that occurs.
Identification of HOTS Creative Thinking, Science Process Skills and Digital Literacy in Physics Subject Astalini Astalini; Darmaji Darmaji; Dwi Agus Kurniawan; Minarsih Minarsih
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 12 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v12n1.p47-61

Abstract

High Order Thinking Skills (HOTS) creative thinking, science process skills and digital literacy of students are important components in learning, especially learning physics. The purpose of this study was to find out how High Order Thinking Skills creative thinking, science process skills and digital literacy of students at SMAN 8 Muaro Jambi. The data collection instrument used a question sheet for HOTS creative thinking, an observation sheet for science process skills and a questionnaire for digital literacy. The data analysis in this study was quantitative using descriptive statistics and qualitative using Miles & Huberman. The results of the data obtained are then grouped using a Likert scale. The flow of this research is to prepare instruments and interview sheets, conduct interviews with teachers and students, distribute instruments, analyze data and obtain data results. The results of this study are HOTS, KPS and digital literacy in class X MIPA 5 are greater than X MIPA 3 with successive values ​​in class X MIPA 5 are 80.25, 83.20 and 72.87 while class X MIPA 3 is 80.69, 85.40 and 74.81. So from these data it can be seen that the ability of students to think creatively increases in line with science process skills and digital literacy and vice versa. Science process skills help improve students' creative thinking skills by using practicum-based learning. Digital literacy helps students to get various kinds of physics learning resources, materials, modules, questions and exercises. Digital literacy also helps students to do online practicum by utilizing digital media and the web. So that the creative thinking skills, science process skills and digital literacy skills of students influence each other.
The Analysis of the Physical Quantity N Grid, v, and dt in Solving the Schrödinger Equation Using the Crank-Nicolson Method Purwaningsih, Sri; Fardela, Ramacos
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 12 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v12n1.p1-13

Abstract

Solving the Schrödinger equation may result in a wave function of a particle in a quantum system, which can afford the information with respect to the particle’s behavior. The Schrödinger equation is useful for examining probability density and determining a wave function of free particles. This research focuses on solving the Schrödinger equation using the Crank-Nicolson method in free particles. The Crank-Nicolson method is a method of solving partial differential equations in the form of the Schrodinger equation, this method is very stable and accurate in giving numerical results. The result indicates that probability density and the form of the wave function of free particles are identified by varying the v, N grid, and dt. When dt = 1, v = 1, and v = 2, and the N grid remains at a score of 100, we acquire the same forms of the wave function and probability density. And yet, when dt = 2, v =2, and the N grid remains at a score of 100, the form of the wave function and probability density is constricted in one area. The N grid and dt are the two most affecting factors on the three variants. Using the Crank-Nicolson method, we can determine the wave function and probability for free particles by varying the value of N grid, dt.

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