This work, has allowed us to process and analyze the data obtained about the perception of students in the face of the virtual teaching of physical sciences in the academic system of university training at this stage of pandemic, product of the Covid-19; the system of education under the health emergency was abruptly changed from the modality of classical face-to-face education to a new mode of virtual education. For this work, around 100 students were surveyed basic science faculties such as Physical Sciences and Biological Sciences, as well as the Professional School of Education and the Professional School of Education and the Professional School of Electrical Engineering of the National University of San Marcos, this survey was conducted at the end of the 2020-I semester. A survey form was applied with 16 questions to be answered by students, those questions were regarding: 1. Traini...