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Nature of light is a facinating subject of education and training for children. However, it is not easy to demonstrate and explain fundamental properties of the light to the primary & secondary school students. In this paper, we will present a new technique to teach concept of refraction, reflection, and total internal reflection of light in glasses by utilizing deviation angles of a prism for various surrounding index-matching oils. Keyword list: reflection, refraction, total internal reflection, deviation angle, prism, index matching oil

A new technique to teach basic concepts of refraction and reflection of light