"Laboratory Workshop on Physics (Part 3)" . Section: "Solid-body optics and physics" is a fascinating and useful manual created by a team of authors, which will become an indispensable assistant for students and teachers studying physics at a deeper level. In this part of the workshop, readers will be able to immerse themselves in the exciting world of optics and solid state physics, making the book relevant for both future physicists and engineers working in related fields. This book is not just a set of laboratory tasks; it is a carefully thought out course that covers the basic principles and laws underlying optical phenomena and properties of solids. Readers will be able to learn about key topics such as refraction and reflection of light, interference and diffraction, as well as the mechanical and thermal properties of solids. Each section includes theoretical foundations, practical tasks and recommendations for conducting experiments, which allows not only to assimilate the material, but also to apply it in practice. The book will be especially interesting for senior students of physical and mathematical faculties, as well as for those who are fond of experimental physics and want to deepen their knowledge in the field of optics and materials science. Teachers will find in this manual excellent ideas for laboratory work and experiments that can be used in classes. In addition, the book will be useful to anyone interested in modern technologies and their application in various fields of science and technology. One of the key topics raised in the book is the interaction of light with matter, which is the basis for understanding many modern technologies, such as optical fibers, lasers and photonics. The authors focus on how the physical properties of materials affect their behavior when interacting with electromagnetic waves, which opens up new horizons for students and researchers. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes the material understandable even for those who are just beginning to get acquainted with physics. Each experiment is accompanied by detailed instructions and explanations, which allows the reader not only to perform tasks, but also to understand what physical laws are behind the observed phenomena. This makes the book not only a textbook, but also a real guide to the world of physics. If you are looking for literature that will help you better understand physics and learn how to put theoretical knowledge into practice, then "Laboratory Workshop on Physics (Part 3). Section: "Solid-body optics and physics" will be an excellent choice for you. This book will perfectly complement your library if you are interested in works such as Richard Feynman's Physics for All or D.'s Course in Physics. and . Mendeleev . It will also be useful to those looking for teaching aids in experimental physics or laboratory workshops in optics. Do not miss the opportunity to deepen your knowledge and skills in physics with the help of this unique workshop, which will open up new horizons for you and help you become a real master in the field of physics!