The Physics GRE covers a wide range of topics, including classical mechanics, electromagnetism, quantum mechanics, thermodynamics, and statistical mechanics. It is important to have a strong understanding of these core topics, as well as some other areas such as optics, atomic and nuclear physics, and special relativity.
There are many resources available for preparing for the Physics GRE, and it ultimately depends on your personal learning style. Some commonly recommended books include "Conquering the Physics GRE" by Yoni Kahn and Adam Anderson, "GRE Physics" by The Princeton Review, and "5 lb. Book of GRE Practice Problems" by Manhattan Prep.
It is important to start studying early and to have a solid understanding of the core topics before moving on to more advanced material. Practice problems and timed tests can also be helpful in preparing for the format of the exam. Additionally, it can be useful to work with a study group or seek guidance from a tutor.
The Physics GRE is a timed exam, so it is important to practice working through problems quickly and efficiently. It can also be helpful to familiarize yourself with the format of the exam and the types of questions that are typically asked. This will allow you to plan your time accordingly and avoid getting stuck on difficult questions.
The importance of the Physics GRE varies among different graduate programs. Some programs may have a minimum score requirement, while others may not consider the Physics GRE at all. It is important to research the requirements of the programs you are interested in and to focus on doing well in all aspects of your application, not just the Physics GRE.