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Comparison Test Between Amrita Virtual Lab and Real Spectrometer on Refractive Index Using Blended Laboratory a) Department of Physics Education,UIN Sunan Gunung Djati, Bandung, Indonesia Abstract Education in the 21st Century is an era where learning is unconventional. Interactive learning in the 21st Century can be done by conducting virtual or real laboratory activities, even by combining the two in one activity at once. Various innovations in virtual laboratories have spread to optical materials, especially refraction by using a virtual spectrometer. Conceptually, refractive index is a measure of the bending ray of a light beam as it passes from one medium to another. The refractive index is given by measurement between the refractive index of air, the angle of the prism, and the angle of minimum deviation. The angle of the prism and the angle of minimum deviation can be measured with a spectrometer. Spectrometer is a scientific instrument used to separate and measure the spectral components of physical phenomena and can separate white light and measure individual narrow color bands. Other than an on-hand spectrometer, other tools that we can use to measure the angle of minimum deviation are by using a virtual spectrometer provided by several virtual labs. Here we report our study on spectrometer whether the virtual lab experiment yields the same result as the real lab. We compare both results of experimental data using data and graph analytics. The results of the study show that the difference in index of refraction measured between the virtual lab and the real lab is about 0.2%. Thus shows that there is no significant difference between virtual lab and real lab. Keywords: Real Laboratory, Refraction, Spectrometer, Virtual Laboratory Topic: Physics Education |
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