Article Per Year (5 Year)
p-Index From 2021 - 2026
0.408
P-Index
This Author published in this journals
All Journal Jurnal Teori dan Aplikasi Fisika JURNAL PENDIDIKAN DAN ILMU FISIKA
Alfiansah Sandion Prakoso
Unknown Affiliation
Astronomy Education Electrical & Electronics Engineering Materials Science & Nanotechnology Physics

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Profil Pemahaman Konsep dan Miskonsepsi Peserta Didik pada Materi Gelombang Bunyi melalui LKPD Berbasis Simulasi PhET Sound Waves Afrizal; Lina Aviyanti; Ratih Sirnawati; Alfiansah Sandion Prakoso
Jurnal Pendidikan dan Ilmu Fisika Vol 6 No 1 (2026): Juni 2026
Publisher : Universitas Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52434/jpif.v6i1.43944

Abstract

This study aimed to profile students' conceptual understanding and identify misconceptions on sound waves through PhET Sound Waves simulation-based worksheets (LKPD). A quantitative descriptive method was employed involving 36 eleventh-grade students divided into nine groups. Data were collected from students' worksheet responses and analyzed using four conceptual understanding indicators adapted from Anderson and Krathwohl: explaining, interpreting, applying, and connecting. The results showed that the applying indicator achieved the highest performance (100%), followed by interpreting (88.9%), connecting (66.7%), and explaining (44.4%). The findings revealed that students demonstrated strong procedural and interpretative abilities but experienced difficulties in explaining underlying physical concepts. The most common misconception was the belief that the speed of sound depends on frequency. This misconception was associated with inaccuracies in measuring wavelength using the virtual simulation, which led students to misinterpret fluctuations in calculated sound speed. These findings indicate that PhET-based worksheets effectively support conceptual interpretation and mathematical application; however, teacher guidance during reflection remains necessary to prevent misconceptions and strengthen conceptual understanding.
Evaluating the Accuracy of Smartphone Light Sensors in a Uniformly Accelerated Motion Experiment Rahma Alliya Aqquilla; Najmi Hiyan Fathinah; Asep Akmal Fadia Nurhalim; Ika Mustika Sari; Alfiansah Sandion Prakoso; Rizki Zakwandi
Jurnal Teori dan Aplikasi Fisika Vol. 14 No. 02 (2026): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v14i02.623

Abstract

This study aims to design and implement a motion experiment using a smartphone’s light sensor, powered by the Phyphox application, to investigate uniformly accelerated linear motion. A dynamic cart equipped with a smartphone was released along a rail inclined at 1°, with an LED strip serving as the light source. The smartphone's light sensor recorded variations in light intensity as the cart moved, allowing for the determination of acceleration over time. Data analysis focused on the relationship between acceleration and motion, demonstrating consistent acceleration values ranging from 0.127 m/s² to 0.128 m/s² across multiple trials. The LED setup was adjusted to optimize data collection, ensuring the reliability of measurements. These results confirm the theoretical principles of uniformly accelerated motion and highlight the effectiveness of smartphone-based sensors for experimental and educational applications. Despite a percentage error of approximately 25% when compared to theoretical calculations, the small standard deviation value of 0.000242 indicates a high level of precision and repeatability in the experimental results. This suggests that the experiment, although not perfectly accurate, can still serve as a reliable instructional tool in physics classrooms. The experimental design is not only low-cost and portable but also adaptable to different learning environments, making it a suitable alternative when conventional lab tools are unavailable. Future research could explore alternative sensor configurations or extended applications in physics education. Additionally, improvements in the light sensor’s sensitivity, optimizing the distance between light sources, and using more mobile supporting structures are recommended to increase data accuracy and ease of implementation in physics experiments for students studying linear motion.     Keywords: inclined plane; light sensor; linear motion; lux meter; phyphox.
Co-Authors Afrizal Asep Akmal Fadia Nurhalim Ika Mustika Sari Lina Aviyanti Najmi Hiyan Fathinah Rahma Alliya Aqquilla Ratih Sirnawati Zakwandi, Rizki