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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 8 Documents
 1 
Search results for , issue "Vol. 3 No. 1 (2020)" : 8 Documents clear
Effect of Deposition Voltage on Layer Thickness, Microstructure, Cu/Ni Sheet Resistivity of Deposition Results by Magnetic Field Electroplating Assisted Technique Willi Anindita Wijanarka; Moh Toifur
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.v3i1.1530

Abstract

The purpose of this research is to make the Cu/Ni thin layer as an alternative to basic RTD materials through electroplating methods assisted by magnetic fields. Electroplating was carried out with variation in deposition voltage ranging from 1 to 5 V. The results of this study indicate that the deposition voltage applied to the coating affects the thickness, sheet resistivity, and microstructure of the coating. Thickness increases with increasing deposition voltage. The diffraction intensity and crystal size tend to increase with increasing deposition voltage. The distance between Bragg planes after the coating is almost equal for all samples. The highest sheet resistivity was obtained in the coating sample with a 4-volt deposition voltage.
Development of Interactive Physics E-Module Using the SETS (Science, Environment, Technology, Society) Approach to Improve Science Literacy Dimension of Content and Process Dimensions in Fluid Dynamics Material Eka Syafutri; Widodo Widodo; Yudhiakto Pramudya
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.v3i1.1691

Abstract

This development research produces interactive physic electronic products using the interactive physics SETS approach (Science, Environment, Technology and Society) in terms of presenting the components of illustration, language, and the suitability of the material. The validity results of the electronic module carried by experts and teachers develeop the average yield of 96.36% so it is feasible to use. The study design is pretest-posttest control group to see the improvement of  literacy dimension process. Subject of the study consisted of two groups: the experimental group and the control group. The data collection formed by science literacy of dimension content and process is analyzed using MANOVA with significance level of 5%. The results showed that the electronic module using SETS approach significantly influence the improvement of science literacy dimension content and process.
Implementation Cooperative Learning Type STAD Assisted Edmodo in Improving Students' Critical Thinking Skills Muhamad Epi Rusdin; Widodo Widodo; Guntur Maruto
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.v3i1.1766

Abstract

The STAD cooperative learning model can support active, independent and responsible learning for students. The application of this model is expected to improve students' critical thinking skills. The purpose of this study was to determine the improvement of students' critical thinking skills using Edmodo-assisted learning models. Edmodo was modified to become a teacher tool to expand learning at home. This research is an experimental study using a pretest-posttest control group design involving 39 students of class VIII MTs At-Taqwa Beru, Sikka, East Nusa Tenggara. Based on the results of the study it was found that the Edmodo-assisted STAD type cooperative learning model can improve students' critical thinking skills.
Effect of the Magnetic Force on Ferrite Pendulum Oscillation Parameters: Parametric Analysis on Ferrite Pendulum Rusli Adi; Moh Toifur; Ishafit Ishafit; Rosly Jaafar
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.v3i1.1836

Abstract

The magnitude of the damping force of the mathematical pendulum swinging on a medium is usually proportional to the speed of the pendulum. In this research, the pendulum oscillation parameters oscillating on an air medium under the influence of a magnetic field of 1.8 G will be investigated. In the initial stage, the effect of the magnetic force on the damping coefficient of ferrite pendulum oscillations with an initial deviation of 15 degrees observed. Furthermore, the study continued with varying the angle of deviation from 5 degrees to 25 degrees. The results of the data fitting amplitude (xi) at various swing times (ti) are using to analyze the effect of the angle of deviation on the maximum amplitude. The results showed that for the deviation angle of 15o the coefficient of damping of the medium affected by the magnetic force was 0,0022 greater than the coefficient of air damping 0,00006. It affects the amplitude, which decreases faster than the pendulum amplitude without the influence of magnetic force. Variation in the angle of deviation also affects the amplitude of the pendulum. In the deviation angle below 10, the pendulum motion is more influenced by the magnetic force, whereas in the deviation above 10, the pendulum motion is more dominated by gravity.
Measuring the Apparent Magnitude of Planet Mars on August 1st and October 2nd, 2018 at the Falak Observatory at Muhammadiyah University of North Sumatera Muhammad Hidayat; Arwin Juli Rakhmadi; Abu Yazid Raisal
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.v3i1.1838

Abstract

The Bright stars that were seen by the eyes are the received quantity of the energy flux sent from the celestial body. The energy flux is inversely proportional to the distant quadrant which means that the light of the stars that are visible to our eyes cannot be compared to the actual brightness or even weaker than the others and the visible star lights the apparent magnitude. The purpose of this study is to measure the apparent magnitude of Mars. This research methodology is quantitative, by taking number of images/videos of Mars and then the data is processed by using IRIS software. The results of the analysis is using IRIS software that shows the value of the apparent magnitude of Mars on August 1st, 2018 is (-1.56 ± 0.33) and October 2nd 2018 is (-1.84 ± 0.08). This was taken by selecting the best image result in clear night sky.
Analysis of Students' Understanding of Concepts on Momentum and Impulse Material Using Research-Based Learning (RBL) Models Nanda Safarati; Rahma Rahma
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.v3i1.1944

Abstract

This study aims to analyze students' understanding of concepts in the material of momentum and impulses using research-based learning (RBL) models. This type of research is quantitative research with a descriptive approach. The population in this study were students of class XI of SMA 3 Bireuen, the subjects in this study were students of class XI2 of SMA 3 Bireuen as many as 30 students. The results of this study indicate that 30 students in class XI2. 53.3% of students in the category understood the concept, 20% students in the guessing category and 26.7% students in the don't understand the category. This shows students will better understand the concepts of momentum and impulses by using research-based learning models.
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

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