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INDONESIA
Omega: Jurnal Fisika dan Pendidikan Fisika
Published by Universitas Muhammadiyah Prof. Dr. Hamka
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Education,
Education Physics
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 5 No 1 (2019)" : 5 Documents clear
Integration of Ocean Literacy into Physics Learning Santoso, Purwoko Haryadi
Omega: Jurnal Fisika dan Pendidikan Fisika Vol 5 No 1 (2019)
Publisher : Program Studi Pendidikan Fisika UHAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31758/OmegaJPhysPhysEduc.v5i1.1

Abstract

Indonesia will be projected to be maritime axis in the world. Indonesian potential as a maritime country inspires Nawacita vision established by Joko Widodo in his cabinet. This ambitions must be supported by coastal communities. The province of West Sulawesi has a long coastal territory than other provinces in Indonesia. It should be exploited to promote the realization of Nawacita for the better Indonesia in the future. In education sector, 2013 curriculum introduces that teachers must implement scientific approach to their learning. Physics is one of the subjects that is still considered difficult by students. It will be more complex when it is taught by scientific approach. In other hand, physics is one of the most important subjects in preparing high school students for their job in science and technology. Contextual learning could be a solution in delivering physics to students. Without forgetting the 2013 curriculum, physics learning in the context of ocean literacy owned by West Sulawesi can lead students to gain meaningful experience. Based on these considerations, this article will discuss how to integrate ocean literacy into physics learning.
The Potential of Gamification in Developing Pre-Service Physics Teachers' Critical and Creative Thinking Skills Saprudin, Saprudin; Liliasari, Liliasari; Prihatmanto, Ary Setijadi; Setiawan, Andhy
Omega: Jurnal Fisika dan Pendidikan Fisika Vol 5 No 1 (2019)
Publisher : Program Studi Pendidikan Fisika UHAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31758/OmegaJPhysPhysEduc.v5i1.7

Abstract

This article is a part of the research related to the development of gamification models to improve critical and creative thinking skills of pre-service physics teachers (PPTs). This case study is a preliminary research to describe the potential of gamification in physics experiments that was involved 25 PPTs at one of the universities in Bandung. The potential of gamification was analyzed from the results of observations, and the monitoring of the physics experiment activities assisted by WhatsApp social media. Through the implementation of gamification, physics experiments can be designed like gameplay so that it was expected to motivate PPTs to be more actively involved in physics experiment activities. Besides that, the presence of gamification can create an atmosphere of physics experiments to be more enjoyable.
Synthesis and Characterization of Electrochemical Properties of Manganese Ferrite Nanoparticles MnFe2O4 from Iron Husain, Sadang; Irfansyah, Muhammad; Riyanto, Agus; Arjo, Sugianto
Omega: Jurnal Fisika dan Pendidikan Fisika Vol 5 No 1 (2019)
Publisher : Program Studi Pendidikan Fisika UHAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31758/OmegaJPhysPhysEduc.v5i1.15

Abstract

Synthesis and characterization of the electrochemical properties of manganese ferrite nanoparticles (\ce {MnFe2O4}) from iron ore have been done. The aim of this research was to determine the potential of iron ore as a source for the manufacture of \ce {MnFe2O4} and to know electrochemical characterization. The precipitation method was used in this research. Iron ore samples were taken from Tanah Laut Regency, South Kalimantan, Indonesia. The sample of iron ore was purified first to synthesis MnFe2O4 nanoparticle. Manganese salt \ce {MnCl2} is used as a source of manganese. Characterization of samples use TEM and potentiostat. Glucose oxidase (GOD) is used as a sample to be given electrochemical properties of the sample. The GOD concentration used is 0.2; 0.4; 0.6; and 0.8 ppm. The range of \ce {MnFe2O4} nanoparticles was successfully made with sample diameters ranging from 1.5 to 12.5 nm. The current values ​​obtained on \ce {MnFe2O4} nanoparticles range from $0.226 - 0.322$ mA. The sensitivity of \ce {MnFe2O4} nanoparticles is around 0.16 mA/ppm. The higher the concentration used, the greater the current produced.
Microwave Absorbing Properties of Polycrystalline La0.67Sr0.33MnO3 Laksanawati, Wahyu Dian; Burhendi, Feli Cianda Adrin; Kusdiwelirawan, Acep
Omega: Jurnal Fisika dan Pendidikan Fisika Vol 5 No 1 (2019)
Publisher : Program Studi Pendidikan Fisika UHAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31758/OmegaJPhysPhysEduc.v5i1.22

Abstract

Sample \ce {La_{0.67}Sr_{0.33}MnO3} has been successfully synthesized by sol gel method shown by the results of XRD formed a single phase with rhombohedral crystal structure. The results of SEM showed particles are agglomerated yet functional groups \ce {Mn-O-Mn} has been formed based on the results of FTIR. The ability of the sample to absorb the microwaves still lower that the value of reflection loss obtained at $-26.05$ dB.
Simulation of Radiation Calculation of Black Body by Using the Interpolation Method Burhendi, Feli Cianda Adrin; Siswanto, Rizky Dwi; Laksanawati, Wahyu Dian
Omega: Jurnal Fisika dan Pendidikan Fisika Vol 5 No 1 (2019)
Publisher : Program Studi Pendidikan Fisika UHAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31758/OmegaJPhysPhysEduc.v5i1.23

Abstract

Simulation of radiation calculation of black body by using the interpolation method is designed to facilitate the determination of radiation in black matter efficiency. Fortran programming languages are chosen for computational processes. The calculation program that has been designed is able to calculate the efficiency of black body radiation easily and quickly with a fairly small error rate of 0.5\%. The light radiation spectrum of objects is around 1000, 1100, 1200, and 1300 $^{\circ}$C. The $x$ axis shows the wavelength, while the $y$ axis shows the intensity or strength of light. If we pay attention to the curvature of 1000 $^{\circ}$C, along with the increasing frequency of light, the intensity of light is also getting stronger aka more bright. But at certain light frequencies, the line reaches the peak, and after that the light intensity drops dramatically. At temperatures of 1200 $^{\circ}$C and 1300 $^{\circ}$C, even though the temperature rises, the outline of the line graph is similar to the line 1000 $^{\circ}$C. This is in accordance with the existing theoretical and experimental results.

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