The book "Physics: Study . allowance: Kn. 2. Electrodynamics. Optics by Butikova E. and . and Kondratieff A. C. is an important work that will become an indispensable assistant for students, graduate students and anyone interested in physics at a deeper level. This edition is the second part of an extensive tutorial on key areas of physics, such as electrodynamics and optics. Electrodynamics is the field of physics that studies the interaction of electric and magnetic fields, as well as their effect on moving charges. The book details the basic laws, such as Coulomb's law, Ampere's law, and Maxwell's equations, which are the cornerstones of this science. The authors not only explain the theoretical aspects, but also offer many practical problems, which allows readers to consolidate the knowledge gained and apply them in real situations. Optics, in turn, opens up to readers an amazing world of light and its properties. The book deals with phenomena such as refraction, reflection and diffraction of light, as well as the basics of geometric and physical optics. The authors aim to make the material accessible and understandable using illustrative examples and illustrations, which is especially important for visuals that better perceive information through images. Who can like this tutorial? First of all, it will be useful for students of physical and mathematical faculties, as well as for those who are preparing for exams or Olympiads in physics . The book will also be of interest to teachers who are looking for high-quality materials for the preparation of lectures and seminars. Even students who are passionate about physics and want to deepen their knowledge will find in this manual a lot of useful information. The topics raised in the book cover not only theoretical aspects, but also practical applications of physics in the modern world. The authors emphasize the importance of understanding physical laws for the development of technology and science, which makes the material relevant and in demand. The book also touches on philosophical issues related to the nature of light and electromagnetic fields, which may be of interest to readers seeking to understand how physics affects our perception of the world. The style of the authors, Butikova and Kondratiev, is distinguished by clarity and logical presentation. They skillfully combine theory with practice, which makes reading not only cognitive, but also fascinating. Their previous work has also earned recognition in the scientific community, and this manual is no exception. The authors strive to convey to the reader complex concepts in a simple and accessible language, which makes their books especially valuable for a wide audience. If you are looking for a physics tutorial that combines in-depth knowledge and practical application, "Physics: Learning. allowance: Kn. 2. Electrodynamics. It will be a great choice for you.... This book is not just a set of formulas and theories, but a whole world in which you can immerse yourself, discovering the amazing laws of nature. Do not miss the opportunity to expand your knowledge and look at physics from a new perspective!