The Book of Physics . Optics. Atomic and Nuclear Physics . Part 3 . Tutorial for practical classes", written by the team of authors - Kaputkin D. E. , Ptashinsky V. In. and Rahstadt Y. A. , is a unique teaching aid that will become an indispensable assistant for students and teachers studying physics at an in-depth level. This part of the textbook focuses on the practical aspects of optics, atomic and nuclear physics, making it an ideal choice for those seeking not only to understand the theory but also to put their knowledge into practice. The book covers a wide range of topics, ranging from the basics of optics to the complex concepts of atomic and nuclear physics. Each section includes carefully thought-out practical tasks that will help readers consolidate theoretical knowledge and develop experimental skills. The authors pay special attention to ensuring that each experiment is accessible and understandable, which makes this manual suitable for both students and teachers seeking a deep understanding of the subject. This book will be of interest not only to students of physical and mathematical specialties, but also to everyone who is fond of science and wants to expand their horizons in the field of physics. It is suitable for both high school students and university students who want to deepen their knowledge and skills in practical physics. The manual can also be useful for teachers who are looking for new ideas for laboratory work and practical exercises. The topics raised in the book cover key aspects of modern understanding of physics, including wave phenomena, the properties of light, and the interaction of particles at the atomic and nuclear levels. The authors not only explain the theoretical foundations, but also offer readers the opportunity to independently conduct experiments, which contributes to better assimilation of the material. This approach allows readers not only to study physics, but also to develop critical thinking, information analysis and synthesis skills. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to perceive even the most complex concepts. Kaputkin, Ptashinsky and Rakhstadt are experienced teachers and scientists who know how to make the material interesting and fascinating. Their previous work has also received recognition among students and faculty, which confirms the high level of their professionalism and dedication. The Book of Physics . Optics. Atomic and Nuclear Physics . Part 3" is not just a textbook, but a whole world in which the reader can immerse himself, discovering the secrets of physics. It inspires learning, encourages experimentation, and helps develop scientific thinking. If you are looking for a high-quality and informative physics textbook that will make your learning process more exciting and productive, then this publication will be a real find for you. Do not miss the opportunity to become part of the fascinating world of physics! This book is your reliable companion on the way to knowledge, which will help you not only to master the theoretical aspects, but also to apply them in practice . Discover new horizons of science with Physics. Optics. Atomic and Nuclear Physics . Part 3" and allow yourself to become an expert in this exciting field!