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Abstract
Physics experiments on the inverse square law of light was designed and built to help students conduct experiments and learn about the inverse square law of light using LCD display projectors or High Temperature Poly-Silicon (HTPS). LCD displays can be served as two-dimensional gratings. The results show that when a laser light source with the wavelength of 532 nm passes through LCD display projectors, the diffraction patterns are generated on the screen. This pattern can be used to study the inverse square law of light. The correlation between the related variables is 0.997.
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Details
1 Ph. D. candidate in Science Education Program, Faculty of Science, Ubon Ratchathani University, 34190, Thailand
2 Department of Physics, Faculty of Science, Ubon Ratchathani University, 34190, Thailand