Abstract
This development research aims to make a tool and test its ability to absorb the heat in light radiation by colored surfaces (black, dark green, blue, white). The benefit of this research is to present a simple laboratory that can be used in physics education class as a test tool for heat absorption. The research method that applied is Microcomputer Based Laboratory (MBL). The software that used is LabVIEW which connected to Arduino Uno hardware and heat source. The appropriate set of tools and materials is then tested for eligibility. The feasibility test of the device is reviewed from the aspect of content, linguistic, presentation and graphic by an expert validator as well as the compatibility of the findings with the theory. The results found that the darker the color of the object, the greater the ability of heat absorption and vice versa. Changes in power at a light source can affect changes in maximum temperature in the color absorption of heat. The greater the power provided by the light source, the greater the increase in maximum temperature. This development research concludes that the tools are feasible to use and appropriate based on existing theories.
Highlights
The research method used in the form of Microcomputer Based Laboratory (MBL)
The tool developed can test the relationship of power variations (P) to the maximum temperature (Tmax) on a colored surface
The use of LabVIEW and LM35 Sensors are often used in several studies one of which is the Sandeep & Prakasam research (2019)
Summary
Heat is a process of energy transfer due to temperature differences. Life is often shrouded in heat from the sun. The sun as the biggest source of heat has many benefits for humans. Humans really enjoy the benefits of solar heat, as well as in various fields of agriculture, even as a source of electricity generation. Most people don’t know the cause of this phenomenon including students. Most students consider it happens because of the direct sunray or the type of clothes they wear. Even though other causes can make this happen such as the color of the clothes
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