Graduate Physics Problems Books Need to brush up on my late-undergrad and early-grad physics and was wondering if anyone can recommend books or lecture notes (hard copy, or on-line) that also have solutions. 
Two that I have come across are:
Princeton Problems in Physics with Solutions - Nathan Newbury
University of Chicago Graduate Problems in Physics with Solutions - Jeremiah A. Cronin
Spacetime Physics - Taylor & Wheeler (favorite book on special relativity; has a lot of problems with solutions at the back; a lot of the problems really enforce the material and discuss paradoxes)
If possible, please also provide a reason why you like the books as opposed to just listing them.
 A: (I have a suggestion to make this question a CW.)
General Physics: (Early undergrad and advanced high school)


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*Problems in Physics I.E Irodov - (Highly recommended)

*Problems in Physics S S Krotov - (Once again, highly recommended but out of print)

*Physics Olympiad Books - (Haven't read but saw some olympiad problems back in the day)

*Physics by example (like this book a lot, lower undergrad)

*Feynman's Tips on Physics (Exercises to accompany the famous lectures )


General Qualifying exam books:
The following books are a part of a series dedicated to the qualifying exams in American Universities and has a large compilation of problems of all levels. Others in the series include Mechanics, Electromagnetism, Quantum Mechanics, Thermodynamics, Optics and Solid State Physics. Unlike other compilation of exercises for qualifiers (such as Princeton or Chicago Problems, or the one mentioned below), they make no excuse for economy and include as many problems from all levels for each subtopic. 
Another good book that I read recently for my exam is the two volume series: A Guide to Physics Problems (Part 2 has some relatively easy but interesting problems. I haven't gone through the first part, which is much much more challenging.)
A: Thinking Like a Physicist: Physics Problems for Undergrads:  I love this book because it fosters a real sense of physical understanding, so it's not just mathematics, but actual physical reasoning.  Plus, I found the problems challenging and interesting.
Then, there is always the MIT Open Course Ware in Phsyics, which has undergrad and graduate courses with assignments, lecture notes, tests, problems, solutions, etc.
If its qualifying exam questions and problems that you're after, a lot of universities will post examples of past versions online, its just a matter of looking at the department website hard enough. 
A: Some review/problem set books that I like are:
Solid State Physics: problems and solutions - Laszalo Mihaly and Michael C. Martin
Problems in Quantum Mechanics with Solutions - Gordon Leslie Squires (The reviews are bare bones but I find the questions to be very good at making you think)
Hope this helps. I am interested to see what other people come up with. 
A: "Problem Book on Relativity and Gravitation" - A. Lightman, W. Press, R. Price, S. Teukolsky
A: The two you have were my favorites.
For completeness, a couple of others, which also have worked solutions:
L.A. Sena, A Collection of Questions and Problems in Physics
Constantinescu, Problems in Quantum Mechanics
There are many problems and solutions sets available for Caltech's comprehensive "Applications of Classical Physics" course here:
http://www.pma.caltech.edu/Courses/ph136/yr2008/ 
A: It might be worth it to look at some past problems from physics olympiads. In particular:
International Physics Olympiad website http://www.jyu.fi/ipho/ for high-school students, all problems with solutions. Used to be tricky problems, not its more step-by-step, but still challenging and interesting
Moscow City Physics Olympiad http://olympiads.mccme.ru/mfo/ there is a pdf in russian, but I managed to understand almost every single problem with google translator 
And of course BAUPC http://liquids.seas.harvard.edu/oleg/competition/ which has few, but (in my opinion) wonderful problems. Some of them are repeated in the classical mechanics book by David Morin ( http://www.amazon.com/Introduction-Classical-Mechanics-Problems-Solutions/dp/0521876222 )
A: I'll add absolutely great book with problems in analytical mechanics:
G.L. Kotkin and V.G. Serbo, "Problems in Classical Mechanics"
It is basically a problem-driven approach to learning Landau's first tome.
Also I really like the book:
Zhong-Qi Ma and Xiao-Yan Gu, "Problems & Solutions in Group theory for physicists."
A: Problems and Solutions on Electromagnetism (Major American Universities Ph.D. by Yung-Kuo Lim
Problems and Solutions on Mechanics: Major American Universities Ph.D. by Yung-Kuo Lim
Problems and Solutions on Thermodynamics (Major American Universities Ph.D. by U.S.T. of China Physics Coaching Class and Yung-Kuo Lim
A: I think the Y K Lim series are the best to follow, especially for last couple week of preparations. These books have all sort of good problems (with solutions) collected from reputed US universities. 
You also can dig the internet for various universities solved exams but that is quite time consuming. 
A: Some problem books on quantum field theory:


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*T.P. Cheng, L.F. Li, "Gauge Theories of Elementary Particle Physics: Problems and Solutions", Oxford University Press (2000)

*V. Radovanovi, "Problem Book in Quantum Field Theory", Springer (2008).

*D. Atkinson, P.W. Johnson, "Exercises in Quantum Field Theory: 
A Self-Contained Book of Questions and Answers", Rinton Press (2003).


More can be found in this page: http://physics.library.wisc.edu/practicebooks.html
A: One of the best books for IIT mains and advance exams 2013 is 
Advanced Problems in School Physics Vol-I & II
Cengage Learning 
