From the perspective of cross-curriculum learning in the fields of physics, mathematics, and computer education, the incident point required to reach the target point of a light beam is determined based on the law of refraction. The relationship between the position of the target points and the incident points at the interface is exhibited using the numerical solutions of the quartic equation.

refraction, incident light, refractive index, quartic equation, mathematics education, cross-curriculum learning.

Received: July 15, 2021; Accepted: August 13, 2021; Published: September 11, 2021

How to cite this article: Yukio Kobayashi, Incident position of refracted light beam for reaching a target point, Far East Journal of Mathematical Education 21(2) (2021), 143-154. DOI: 10.17654/ME021020143

This Open Access Article is Licensed under Creative Commons Attribution 4.0 International License

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