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Moh. Irma Sukarelawan
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INDONESIA
Indonesian Review of Physics (IRiP)
Published by Universitas Ahmad Dahlan
ISSN : 26213761     EISSN : 26212889     DOI : https://doi.org/10.12928/irip
Core Subject : Science, Education,
Astronomy Earth & Planetary Sciences Education Materials Science & Nanotechnology
This journal is continued version of Berkala Fisika Indonesia journal. The journal was published for the first time in 2008. The last published volume was 10 (1) 2018. The ISSN is 2085-0409 (printed version) and 2250-0465 (online version).
Arjuna Subject : Fisika dan Astronomi - Astronomi dan Astrofisika
Articles 134 Documents
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The Effect of the Installation Angle of the Sky Quality Meter on the Night Sky Brightness and the Beginning of the Fajr Prayer Time Abu Yazid Raisal; Muhammad Hidayat; Leo Hermawan; Arwin Juli Rakhmadi
Indonesian Review of Physics (IRiP) Vol. 3 No. 2 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i2.2074

Abstract

Measuring the brightness of the night sky and determining the start of Fajr prayer times can be done using SQM. Observations were made at OIF UMSU with coordinates 3o 34' 55.06" N and 98o 43' 17.09" E. The sky brightness was measured using three SQMs mounted facing the zenith, eastern horizon, and western horizon. The night sky brightness values for SQM directed to the zenith, eastern horizon, and western horizon are 18.23 mpsas, 15.82 mpsas, and 15.47 mpsas. The beginning of fajr prayer time produced by SQM is after the beginning of fajr prayer time obtained using the Accurate Times concerning the Sun's altitude 18o below the horizon. The difference obtained by SQM directed to the zenith, eastern horizon, and western horizon is 29.5 minutes, 36.7 minutes, and 39.5 minutes. In other words, the beginning of Fajr prayer time used in Indonesia is earlier than it should be.
Literature Study of Understanding the Physical Concepts of Straight Motion Materials Using the Gasing Method Erwin Prasetyo; Budi Jatmiko; Adi Jufriansah
Indonesian Review of Physics (IRiP) Vol. 3 No. 2 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i2.2236

Abstract

Not all physics concepts must be understood and mastered by deriving formulas through differential or integral techniques. Mechanics, for example, can be understood with simple logic without formulas, variables, and numbers. The fun method, or known as the GASING method, is a science learning method that has been offered by Yohanes Surya since 1996. This method offers fun learning activities for students. This research is a literature review of several books and research articles related to learning physics science using top methods. It turns out that with the spinning method, the concepts of velocity and acceleration in straight motion material can be understood easily and can solve some physics problems about straight motion without complicated physics formulas. All these physics problems are solved by simple logic and expressed in words.
Cover IRiP Vol. 3 No. 1 IRiP IRiP
Indonesian Review of Physics (IRiP) Vol. 3 No. 1 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i1.2566

Abstract

Front Matter IRiP Vol. 3 No. 1 IRiP IRiP
Indonesian Review of Physics (IRiP) Vol. 3 No. 1 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i1.2567

Abstract

Effect of Noise Intensity of Aviation Activities on Student Learning Concentrations Remigius Robinson; Pujianti Bejahida Donuata; Agustinus Angelaus Ete; Muhamad Epi Rusdin
Indonesian Review of Physics (IRiP) Vol. 3 No. 2 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i2.2632

Abstract

This study aims to determine the effect of flight activity noise intensity on student learning concentration. This study involved 48 students (male = 24 and female = 24) who were randomly selected in the Islamic elementary school Waioti, Maumere. The intensity of flight activity noise during classroom learning activities is measured using a Sound Level Meter (SLM), and students' concentration levels were measured using a 5-level Likert scale learning concentration questionnaire. The effect of flight noise intensity on student learning concentration was determined using linear regression analysis. The results showed that the noise level due to flight activities in the Waioti Islamic Elementary School was 58.92 dB, exceeding the set threshold value. The intensity level of students' learning concentration disorders reached 71.43%, including frequent disturbance. The level of flight activity noise significantly affects student learning concentration with the regression model: Y = 49.972 + 0.834X with R2 of 0.635.
The Effectiveness of Online Learning Using Quizizz Education Game Media During the Covid-19 Pandemic in Applied Physics Courses Nanda Safarati; Rahma Rahma
Indonesian Review of Physics (IRiP) Vol. 3 No. 2 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i2.3049

Abstract

Online learning is learning that is applied by all educational institutions today. The use of appropriate media can support student effectiveness in education, especially in applied physics courses. This study aims to see online learning's effectiveness using quizizz educational media during the covid-19 pandemic in applied physics courses. This research uses a descriptive research method. The population in this study were students of the Almuslim University Physics Education Study Program. The sample selection used a purposive sampling method, namely students who were taking applied physics lectures. The data collection techniques used were tests (quizzes) and questionnaires. This study indicates that quizizz educational game media is one of the most effective online learning media used during the Covid-19 pandemic in applied physics courses.
Analysis of Improving Students' Physics Conceptual Understanding through Discovery Learning Models Supported by Multi-representation: Measurement Topic La Sahara; Nafarudin Nafarudin; Suritno Fayanto; Babajanova Asal Tairjanovna
Indonesian Review of Physics (IRiP) Vol. 3 No. 2 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i2.3064

Abstract

This study aimed to analyze students' conceptual understanding by using a multi-representation assisted discovery learning model in measurement. This research was conducted in Public High School 1 Kendari. This research is a quasi-experimental study using a one-group pre-post test design. The research method consisted of a conceptual comprehension test using a caliper and a screw micrometer in an essay in the form of a multi-representational test on long measurements. The analysis showed an increase in conceptual understanding between the pre-test and post-test with an average pre-test score of 16.24 (SD = 14) and a post-test of 61.4 (SD = 21). These results indicate an increase in students' understanding of concepts after learning with an average N-gain increase of 0.5 (SD = 0.2) in the medium category. It also obtained the most significant increase in students' understanding of the indicators mentioned parts caliper and micrometer with an N-gain average of 0.6 in the medium category.
Tunnelling Effect for Quadruples Potential Using Matrix Propagation Method Chilwatun Nasiroh; Bambang Supriadi; Rif'ati Dina Handayani
Indonesian Review of Physics (IRiP) Vol. 3 No. 2 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i2.3066

Abstract

Semiconductor materials can be used as potential barriers to Tunnelling effects. In this study, four semiconductor materials are arranged in various ways to form a quadruple potential structure to analyze the value of the transmission coefficient. The analysis was conducted using the analytical and numerical matrix propagation method using Matlab2018a. The results confirmed that the inverted arrangement produces the same transmission coefficient value for each energy. So that there are 12 kinds of transmission coefficient values generated from 24 arrangements. The semiconductor material composition with the most considerable transmission coefficient value is ADCB and BCDA, which have a value of 0.8087. The variation of the arrangement affects the value of the transmission coefficient so that it can be used as a guideline for selecting the arrangement that produces the most optimum value of the transmission coefficient from various possible arrangements.
Evaluation of STEM-Based Physics Learning on Students' Critical Thinking Skills: A Systematic Literature Review Winarti; Dwi Sulisworo; Narentheren Kaliappen
Indonesian Review of Physics (IRiP) Vol. 4 No. 2 (2021)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v4i2.3814

Abstract

This article discusses the importance of STEM learning in optimizing critical thinking skills in physics learning. It presents an overview of STEM learning to identify, train and improve students' critical thinking skills to assess misconceptions in the science education research literature since 2010. This study published articles in primary science education journals and indexed them in the leading research database to obtain data on STEM-based physics learning and critical thinking skills. To identify relevant studies in the literature, we conducted a systematic search of the two databases with the document analysis method. The investigation was limited to Indonesia's studies published between 2010 and 2020 for the most recent STEM-based physics learning studies and critical thinking skills based on the most recent findings. This study summarizes STEM learning at the high school and the undergraduate students. The implementation of the research related to STEM-based physics learning with critical thinking skills variables was in various teaching materials, learning models, and learning media. Teachers taught physics concepts using the STEM approach to improve critical thinking skills, including optical tools, thermodynamics, temperature and heat, dynamic fluids, and sound waves. The findings of this study can be used as a reference in the development of STEM learning patterns in the realm of science and physics education to improve students' critical thinking skills, which are the demands of skills in the 21st century that students must possess.
Application of Self-Potential Method to Observe Groundwater Flow in Tanjungpura University Area, Pontianak Muhardi; Kaharudin; Mathaliul Anwar
Indonesian Review of Physics (IRiP) Vol. 4 No. 2 (2021)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v4i2.4020

Abstract

The study aims to observe groundwater flow in the Tanjungpura University area, Pontianak, West Kalimantan. Data collection applied three lines have a length of 65 m, a distance between the lines is 5 m, and a space between the porous pots is 5 m. Each line has 12 points to measure the self-potential value. The results showed that the variation of the self-potential value before the correction was -9.98 mV to 17.24 mV, while after correction, it was -10.52 mV to 16.92 mV. The self-potential distribution shows that the relatively high potential value is in the south, while the low is in the north. The distribution of self-potential values in the study location is caused by groundwater movement, which flows north. In addition, groundwater also flows to the south, especially at 20-30 m from the base station. Thus, the low self-potential value in the north can be used as a reference to identify groundwater accumulation to explore raw water in the study location.

Page 10 of 14 | Total Record : 134

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