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All Journal Spektra: Jurnal Fisika dan Aplikasinya PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Lontar Physics Today
Anggara Budi Susila
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Aerospace Engineering Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Other

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E-Modul Gerak Melingkar Beraturan Berbasis Contextual Teaching And Learning Untuk Siswa Inklusif Slow Learner Berbantuan Flip PDF Professional Bayu Mukti Sanjoyo; Anggara Budi Susila; Hadi Nasbey
Lontar Physics Today Vol 2, No 1 (2023): Februari 2023
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/lpt.v2i1.14439

Abstract

Pembelajaran yang semakin fleksibel memudahkan setiap peserta didik memperoleh informasi, salah satunya melalui e-modul. Peserta didik khususnya pada anak-anak dengan kebutuhan khusus (ABK) diantaranya yaitu anak dengan diagnosa slow learner, mereka masih memiliki hasil belajar yang rendah dan dibawah rata-rata dalam aspek membaca, menulis dan aritmatika. Penyesuaian dengan model pembelajaran kontekstual dibantu menggunakan e-modul menjadi salah satu alternatif permasalah pada peserta didik slow learner dalam kesulitan belajarnya memahami hal-hal abstrak. Penelitian ini bertujuan untuk mengetahui validitas media e-modul berbasis contextual teaching and learning menggunakan Flip PDF Professional pada pokok bahasan gerak melingkar beraturan sebagai pembelajaran fisika pada siswa inklusi slow learner.  Metode penelitian yang digunakan adalah metode Penelitian dan Pengembangan model ADDIE (Analyze, Design, Development, Implementation, Evaluation). Memulai tahapan dengan menganalisis kebutuhan pengembangan produk serta merumuskan masalah, dilanjutkan dengan mendesain e-modul, dilanjutkan ke tahapan pengembangan melalui uji validasi oleh ahli, serta di implementasikan  terhadap siswa slow learner di lapangan dan tahapan akhir melalui evaluasi dari penggunaan e-modul tersebut. Instrumen validasi media menggunakan kuesioner penilaian dengan skala likert. Persentase yang diperoleh dari uji validasi materi sebesar 94,27%, uji validasi media 75,11%, uji validasi pembelajaran 81,33%. Hasil yang diperoleh berdasarkan uji validasi para ahli memperoleh rata-rata 83,57%, menyatakan bahwa e-modul ini sangat valid untuk digunakan sebagai media pembelajaran pada siswa inklusif slow learner. Diharapkan dari penelitian ini adalah e-modul dapat menjadi media alternatif peserta didik berkebutuhan khusus slow learner dalam meningkatkan motivasi belajar serta mengatasi masalah kesulitan belajarnya.Kata kunci: contextual teaching learning, e-modul, gerak melingkar, inklusi, lamban belajar 
ANALYSIS STUDY OF CLOVE LEAF (SYZYGIUM AROMATICUM) EXTRACT ABSORBANCE USING UV-VIS SPECTROPHOTOMETER: STUDI ANALISIS ABSORBANSI EKSTRAK DAUN CENGKEH (SYZYGIUM AROMATICUM) MENGGUNAKAN UV-VIS SPECTROPHOTOMETER Natasya Frysilia Wardanni; Iwan Sugihartono; Anggara Budi Susila; Rahmat Setiawan Mohar
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol. 13 (2025): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2024
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/03.1301.FA17

Abstract

This study reports that clove (Syzygium aromaticum) leaf extract was used as a reducing agent and deionized water was used as a solvent. In the process of making the extract, as much as 20 grams of clove leaf powder was mixed with 100 mL of deionized water and boiled using a hotplate magnetic stirrer for 2 hours at a temperature of 70°C. Then, the extract solution was filtered using 11 cm diameter filter paper and centrifuged at 4000 rpm for 30 minutes to obtain clove leaf extract. The extract was characterized using UV-Vis Spectrophotometer to analyze the absorbance and energy band gap. Based on the absorbance test results, clove leaf extract showed maximum absorption at a concentration of 1000 ppm with a wavelength of 221 nm and at a concentration of 500 ppm with a wavelength of 225 nm. The energy band gap value at a concentration of 1000 ppm is 3.26 eV and at a concentration of 500 ppm 3.38 eV.
DEVELOPMENT OF LEARNING MEDIA ASSISTED BY GOOGLE SITES WITH AN INDUCTIVE APPROACH ON DYNAMIC FLUIDS MATERIAL: PENGEMBANGAN MEDIA PEMBELAJARAN BERBANTUAN GOOGLE SITES DENGAN PENDEKATAN INDUKTIF PADA MATERI FLUIDA DINAMIS Agung Heka P; Anggara Budi Susila; Dwi Susanti
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol. 13 (2025): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2024
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/03.1301.PF15

Abstract

This research is developed because development of technological advancements in educational learning and aims to develop learning media that can assist students in understanding in dynamic fluid subject, and the feasibility of learning through Google Sites. This research used Borg & Gall development model, consisting of several stages: research and data collection, planning, development of product drafts, field trials, refinement of field trial products, field implementation trials, refinement of operational product, operational field trials, refinement of final products, dissemination, and implementation. In the development stage, three validators were media experts, subject matter experts, and learning experts to assess the feasibility of the media, materials, and learning in this study. This research is applied to high school students on dynamic fluid learning materials and uses an inductive approach in delivering the material. Based on the analysis of the needs of eleventh-grade high schoolstudents and filled out by 29 respondents, it was found that 86.2% do not have difficulty using a laptop/computer/smartphone during learning activities, and 86.2% answered that learning dynamic fluid materials could be better understood when using learning media assisted by Google Sites. This research is expected to become suitable learning media for use by students or teachers.
Analysis of the Effect of ZnO, FeO, MnO, and MgO Dopants on the Optical Properties of P2O5-CaO Glass System and Comparison With P2O5-Eggshell Glass System Haifany; Eka Laela Nun Karina; Selsa Sururiyah Sya’baniah; Zahra Sajidah Hariyawan; Haryanto; Agus Setyo Budi; Anggara Budi Susila; Hadi Nasbey
Spektra: Jurnal Fisika dan Aplikasinya Vol. 10 No. 2 (2025): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 10 Issue 2, August 2025
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/SPEKTRA.102.06

Abstract

This study investigates the effect of ZnO, FeO, MnO, and MgO dopants on the optical properties of phosphate-based glass within the P₂O₅–CaO system and compares the results with glasses using eggshell-derived CaO as an alternative calcium source. The glass samples were synthesized using the melt quenching method, followed by characterization using Energy Dispersive X-ray (EDX) and UV-Visible spectroscopy. EDX analysis confirmed that phosphorus and oxygen were the dominant elements in all samples, with successful incorporation of each dopant as a network modifier. UV-Vis analysis revealed that the optical properties of the glass were significantly affected by both dopant type and concentration. The addition of ZnO decreases absorbance and widens the band gap up to 10 mol%, indicating improved structural regularity of the glass network. MnO exhibits a non-linear trend, with the highest absorbance observed at 5 mol% and decreasing at higher concentrations. The band gap varies from 3.37 eV to 3.59 eV, suggesting a transition from a disordered to a more stable and compact glass structure. In contrast, FeO and MgO doping reduced the band gap energy due to increased formation of non-bridging oxygen and network disruption. Additionally, comparison with eggshell-derived CaO showed higher UV absorbance compared to glass made with pure CaO, especially in the wavelength range below 400 nm, indicating that the raw material source influences the optical performance of the glass. Overall, this research highlights the potential of tuning dopant concentration and utilizing sustainable raw materials to enhance the optical characteristics of phosphate glass for use in UV-blocking, optoelectronic, and sensor applications.
Co-Authors Agung Heka P Agus Setyo Budi Aulia Putri Bayu Mukti Sanjoyo Dwi Susanti Eka Laela Nun Karina Hadi Nasbey Haifany HARYANTO Iwan Sugihartono Natasya Frysilia Wardanni Rahmat Setiawan Mohar Selsa Sururiyah Sya’baniah Zahra Sajidah Hariyawan