This reference book titled "Crash Course Cambridge AS Level Physics 9702" is a useful supplement for students preparing for the Cambridge AS Level Physics exam. The book is not intended to replace official textbooks or study materials but rather to provide concise and accessible summaries of key concepts in a well-organized format. The author has developed this book using their own interpretation and understanding of the syllabus and past exam questions, and has not copied content or materials from other sources. The headings and subheadings in the book are based on the official Cambridge AS Level Physics syllabus, however, no other material has been cited from official work. The table of contents includes helpful information on problem-solving, measurement uncertainty assessment, vector significance, physical motion fundamentals, momentum and energy principles, turning effects, work, efficiency, power, and much more. The book offers extensive information on wave mechanics, electromagnetic spectrum, nuclear physics, and particles, making it an excellent study guide and reference tool. Please note that this reference book is not for resale and is intended for personal use only. If you have questions or need permissions, the publisher can be contacted at azhar.sario@gmail.com.