Un capítulo crucial que distingue a los textos actualizados. Se ofrece una introducción a la teoría de la relatividad especial y la mecánica cuántica. Aunque es una introducción, proporciona las bases necesarias para que el estudiante entienda el cambio de paradigma que ocurrió a principios del siglo XX.

The textbook by Héctor Pérez Montiel , published by Grupo Editorial Patria , is widely considered one of the most authoritative and accessible educational resources for high school ( bachillerato ) and introductory university physics in the Spanish-speaking world. The 6th Edition (2018) represents a fully updated, definitive revision designed to bridge classical scientific fundamentals with modern educational technologies.

If you are a student preparing for an upcoming exam or an educator building a curriculum, understanding the nuances of this textbook can significantly streamline your study sessions.