The study of the molecular spectrum of iodine vapor absorption: method. Decree. to the laboratory. Work 3. 9 on the course "Physics" by M. A. Ivanova is a unique manual that will become an indispensable assistant for students and teachers involved in physics and chemistry. In this edition, the author describes in detail the method of conducting laboratory work related to the study of the molecular spectrum of iodine vapor absorption, which makes it relevant for both universities and school programs. The book immerses the reader in the world of molecular physics, revealing complex scientific concepts in simple and accessible language. M. A. Ivanov, an experienced teacher and researcher, shares his knowledge and observations, which allows not only to understand the theoretical aspects, but also to apply them in practice. In this guide you will find clear instructions, diagrams and graphs that will help you visualize the process and better assimilate the material. Topics covered in the book cover key aspects of molecular spectroscopy, including the interaction of light with matter, absorption and emission mechanisms, and spectra of various substances. Readers will be able to learn exactly how iodine, being one of the most studied elements, demonstrates unique spectral characteristics that can be used to analyze other molecules. This makes the book particularly valuable for those interested in chemical analysis and spectroscopy. Who can like this edition? First of all, it will be useful for students of physical, mathematical and chemical faculties, as well as for schoolchildren who study physics in depth . Teachers will find in the book not only guidelines, but also ideas for conducting exciting experiments in the classroom. In addition, this manual may be of interest to researchers and practitioners working in the field of molecular physics and chemistry, providing them with new approaches and techniques to work with. The author's style is distinguished by clarity and logical presentation, which makes it easy to assimilate complex topics. M. A. Ivanov is also known for his other works in the field of physics and chemistry, which have gained recognition among students and teachers. His ability to explain complex scientific concepts in plain language makes his work particularly valuable to a wide audience. The book “Study of the molecular spectrum of iodine vapor absorption” not only enriches the reader’s knowledge, but also inspires further research in the field of physics and chemistry. It highlights the importance of hands-on learning experiences and demonstrates how laboratory work can make learning science more engaging and accessible.. If you are looking for a high-quality physics textbook that will help you not only master the theory, but also put it into practice, then this edition is exactly what you need. It will be your reliable companion in the world of molecular physics and will help you open new horizons in the study of science. Do not miss the opportunity to immerse yourself in the fascinating world of spectroscopy and discover the secrets of molecules!