Sriyanti, Ida and Aliyana, P and Marlina, Leni and Jauhari, Jaidan (2020) Light Intensity Analysis Using Smartphone's Light Sensor (Peer Review). Universitas Negeri Padang. (Unpublished)
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Abstract
Light is a form of electromagnetic energy radiation emitted in the visible part of the spectrum. This study was aimed to analyze the intensity of dynamic train light that moves constantly on a linear track using a smartphone light sensor. The method used in this research was the experimental method. The light sensor application used is available freely in the Physics Toolbox Suite on the smartphone. Experimental equipment was built using linear tracks, dynamic trains, flash light and lamp. Light sensor output produces luminosity (Ev) value versus time (s). The experimental results show that the light intensity at 3 volts with a distance of 5, 10, and 15 cm are 100, 250 and 300 cd, respectively. Whereas the intensity of light at 4.5 volts, the intensity of the light at distances of 5, 10, and 20 cm are 800 cd, 950 cd and 1200 cd, respectively. It is expected that the use of smartphones can increase students' interest in learning physics concepts.
| Item Type: | Other |
|---|---|
| Subjects: | L Education > L Education (General) > L7-991 Education (General) Q Science > QC Physics > QC1-999 Physics |
| Divisions: | 06-Faculty of Education and Educational Science > 84103-Physics Education (S2) |
| Depositing User: | Dr Ida Sriyanti, M.Si |
| Date Deposited: | 21 Mar 2021 14:28 |
| Last Modified: | 21 Mar 2021 14:28 |
| URI: | http://repository.unsri.ac.id/id/eprint/43987 |
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