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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) Phi : Jurnal Pendidikan Fisika dan Terapan KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jurnal Fisika : Fisika Sains dan Aplikasinya Jurnal Penelitian Fisika dan Terapannya (JUPITER) ELFALAKY: Jurnal Ilmu Falak Transformasi dan Inovasi : Jurnal Pengabdian Masyarakat Madani: Multidisciplinary Scientific Journal Scientica: Jurnal Ilmiah Sains dan Teknologi Trigonometri: Jurnal Matematika dan Ilmu Pengetahuan Alam Omega: Jurnal Ilmu Pendidikan dan Sains Fisika Jurnal Penelitian Pendidikan Indonesia (JPPI) Jurnal Multidisiplin Indonesia Jurnal Penelitian Pembelajaran Fisika
Fuji Hernawati Kusumah
Universitas Islam Negeri Syarif Hidayatullah Jakarta
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Journal : Jurnal Multidisiplin Indonesia

 1 
Analysis Of Bias And Purity Indices In Packaged Cooking Oil And Bulk Cooking Oil Using The Diffraction Grid Method Syifa Fauzia; Luma Alfiasti Sulton; Ayu Aulia Asyhari; Ahmad Suryadi; Fuji Hernawati Kusumah
Jurnal Multidisiplin Indonesia Vol. 1 No. 3 (2023): September : Jurnal Multidisiplin Indonesia
Publisher : PT. ALHAFI BERKAH INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62007/joumi.v1i3.185

Abstract

Cooking oil is a fundamental daily necessity, and both packaged and bulk oils are susceptible to structural changes and contamination that can influence the bias index. This research aims to analyze the purity of packaged and bulk cooking oil, investigate the relationship between the bias index and usage time, and identify factors influencing the bias index in both types of cooking oil using the diffraction grid method. The study revealed bias indices produced from packaged cooking oil before usage, after 10 minutes of usage, and after 15 minutes of usage, namely 5.08×108; 5.22×108 and 3.94×108, respectively. The bias indices from bulk cooking oil under the same conditions were 4.68×108; 3.61×108 and 3.37×108, respectively. Based on the research results, it is evident that packaged cooking oil exhibits a higher level of purity compared to bulk cooking oil. The relationship between the bias index and usage time is inversely proportional, indicating that the longer the cooking oil is used, the smaller the Refractive Index value becomes.
Analysis of Organa Pipe Resonance Frequency Utilizing Phyphox Application and Auditory Perception in Kundt’s Tube Ledya Safira; Thasyara Safna; Anisa Pangestuti; Maya Shinta Saqila; Shinta Dewi; Ahmad Suryadi; Fuji Hernawati Kusumah
Jurnal Multidisiplin Indonesia Vol. 1 No. 3 (2023): September : Jurnal Multidisiplin Indonesia
Publisher : PT. ALHAFI BERKAH INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62007/joumi.v1i3.192

Abstract

The use of the Phyphox application proves to be highly beneficial in attaining precise experimental data by leveraging existing technology. This application is freely downloadable for both Android and iOS platforms. The research aims to compare resonance frequency values using human auditory perception and the Phyphox application. The study utilizes a transparent glass organ pipe with a length of 100 cm, conducting three repetitions for each obtained pitch. The selected menu on the Phyphox application is 'audio amplitude,' which displays the maximum sound intensity through numerical dB readings and a graphical representation. Phyphox serves as an auxiliary tool for determining the maximum noise value in open-closed organ pipes to identify the resonance frequency. It is crucial to use the Phyphox application in a noise-free environment, as even the slightest noise can influence the displayed maximum noise values on the application. The results indicate that the relative error value in the Phyphox application is smaller compared to human auditory perception, with 0.25% < 0.27%. Therefore, it can be concluded that the values obtained through the Phyphox application are more accurate with a minimal margin of error.
Comparative Analysis of Diffraction Grating on a Hair and a Broom as an Alternative Experiment in School Asa Manafia Mumtaza; Farah Fairuz Khairun Nisa; Ahmad Suryadi; Siti Humairoh; Fuji Hernawati Kusumah
Jurnal Multidisiplin Indonesia Vol. 1 No. 3 (2023): September : Jurnal Multidisiplin Indonesia
Publisher : PT. ALHAFI BERKAH INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62007/joumi.v1i3.207

Abstract

Laboratory experiments in schools often face challenges, including inadequate teacher training, limited equipment and materials, and dense teaching content. This research proposes an alternative approach by using readily available materials in the school environment. In the diffraction experiment, banana leaf stems were replaced by coconut fiber and a strand of hair as experimental media. Fraunhofer diffraction, the bending of waves behind a narrow slit, became the focus of this experiment. The primary objectives were to understand the process of diffraction grating, measure the differences in spreading between a strand of hair and coconut fiber, and analyze the variables involved. The experimental data showed that a strand of hair had the farthest distance to the central bright spot with an average of 1.23 meters. While successfully creating a diffraction grating pattern using makeshift tools and materials, the difficulty in measuring the distance between bright spots highlighted a critical note for future improvements. In conclusion, this experiment provides new insights into light diffraction using resources available in the school environment. However, further research expansion and improved measurement accuracy should be the focus to support the development of more effective laboratory methods in overcoming facility limitations in the school environment.
Simple Periscope To Observe Light Reflecting Off A Flat Mirror Ziyanti Putri Setia Gandi; Nur Kholisah; Mohammad Danial; Ahmad Suryadi; Fuji Hernawati Kusumah
Jurnal Multidisiplin Indonesia Vol. 1 No. 3 (2023): September : Jurnal Multidisiplin Indonesia
Publisher : PT. ALHAFI BERKAH INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62007/joumi.v1i3.212

Abstract

This simple periscope is made as a tool to help students understand the concept of reflection from two flat mirrors, observe the process of forming an image of an object, and observe the process of reflecting light using a laser as a light source on simple periscope props. The first observation by using the periscope directly, the observation results obtained are that it produces right-left images of objects that are not reversed, the images also look upright and virtual. In addition, the size of the image is also the same as the original object. Based on the second observation, specifically observing the process of reflecting light with a laser, where in this second observation there were two reflections of light. The laser light fired at the first flat mirror is reflected straight to the second mirror, then reflected back straight from the second mirror to the outside at the same angle of 45°.
A Comparison of The Effectiveness of Hollow Prism and Parallel Plans The Measurement of Fludia's Refresh Index: Case Study On Aquades and Alcohol Rizqi Fajar Shidiq; Indira Gustaviana Nugroho; Irfan Daniel; Fuji Hernawati Kusumah; Rabina Amara Yusra; Ahmad Suryadi
Jurnal Multidisiplin Indonesia Vol. 1 No. 2 (2023): Juni : Jurnal Multidisiplin Indonesia
Publisher : PT. ALHAFI BERKAH INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62007/joumi.v1i2.225

Abstract

A refractometer is a tool used to measure the refractive index of fluids. However, there are several issues, including the considerable cost involved and the fact that not all school laboratories have this tool. Therefore, we conducted a study to compare the accuracy of refractive index values using a hollow prism and a plan parallel prism. Among the various methods available today, refraction is a relatively simple and cost-effective method for determining the refractive index of fluids. In measuring the refractive index of fluids, the use of containers or vessels is essential. Following a review of existing studies, two commonly used types of vessels were identified: the cube-shaped vessel (plan parallel) and the hollow prism. This research aims to compare the refractive index results obtained using a hollow prism and a plan parallel prism, using two samples—namely, distilled water (aquades) and alcohol—which have predetermined values in the refractive index table. The results indicate that the refractive index value for aquades using a plan parallel prism is 0.97, while with a hollow prism, it is 1.33, where the true refractive index value is 1.33. For alcohol, the results using a plan parallel prism are 0.91, and with a hollow prism, it is 1.35, where the true refractive index value is 1.36. The conclusion drawn is that using a hollow prism yields refractive index values for both aquades and alcohol that closely approximate the true refractive index, compared to the use of a plan parallel prism.
Co-Authors Affra Resnaulita Aghnia Ilmi Andini Ahmad Suryadi, Ahmad Alfarizki, Ahmad Fikri Amalia, Annisa Nurul Anisa Pangestuti Annisa Nurul Amalia Aramel, Aramel Asa Manafia Mumtaza Aulliyah, Uunwanah Agustin Ayu Aulia Asyhari Ayu Rozadien Junita Putri Cahyani, Risti Indah Dannial, Mohammad Devi Solehat Eisha Jansyah Yusuf Falakh, Athfatullaila Elyo Farah Amara Valio Farah Fairuz Khairun Nisa Fikriyah Luthfiyani, Piyani Hakim, Marsa Raihanida Haq, Hilwa Syamila Haura Ratu Adzra Hilwa Syamila Haq Indira Gustaviana Nugroho Irfan Daniel Irfaniyah, Dina Khairurrijal khairurrijal Lastri Dewi Tamala Lathipah Hasanah Ledya Safira Luma Alfiasti Sulton Maya Shinta Saqila Melati, Bunga Chinta Mohammad Danial Naila Zakiyah Fanani Noviyanto, Alvian Nur Kholisah Nurhafifah, Zeinab Nurul Taufiqu Rochman Pangestuti, Anisa Pasaribu, Ibrahim Farisya Prasettia, Sukma Putri Nur Fathiyah Putri, Sepiana Permana Rabina Amara Yusra Rahmah, Nurul Esa Ramadhan, Purwo Harris Ramadhani, Hanifah Asma Rizqi Fajar Shidiq Safira, Ledya Safna, Thasyara Setia Gandi, Ziyanti Putri Shinta Dewi Silvi Soraya Siti Humairoh Sri Hartati Syahriani Nurfadilah Syamra, Fifi Mufida Syifa Fauzia Thasyara Safna Tiara Zahira Ulfa, Juliana Valio, Farah Amara Widana, Sausan Nada Yusra, Rabina Amara Zein, Nihayatu Ziyanti Putri Setia Gandi Zulfi, Akmal