for your question! There are many great resources available for solved problems in modern physics. Some recommendations are:
1. "Schaum's Outline of Modern Physics" by Ronald Gautreau and William Savin. This book contains over 500 solved problems with step-by-step solutions and explanations.
2. "Solved Problems in Modern Physics" by Ahmad A. Kamal. This book contains over 700 solved problems covering topics such as relativity, quantum mechanics, and nuclear physics.
3. "Problems and Solutions in Quantum Mechanics" by Kyriakos Tamvakis. This book focuses specifically on problems in quantum mechanics and includes detailed solutions and explanations.
I hope these recommendations are helpful and provide you with the additional resources you need for your studies in modern physics. Best of luck on your journey!