A study site working through concepts and problems from HC Verma's physics book.
Russian physics and mathematics magazine with problems, solutions, and theoretical articles for secondary and undergraduate students.
A Russian site offering free downloads of physics textbooks, problem books, and study materials.
Strong Moscow secondary school publishing collections of problems, solutions, and teaching materials in physics and mathematics.
Kvantik Russian popular science and mathematics magazine featuring problem sections.
Solutions to problems from the Chertov and Vorobyov physics textbook.
Strong Moscow secondary school publishing problem sets, solutions, and teaching materials in physics and mathematics.
High school physics problems with explanations from a Japanese teacher.
Russian website offering free solutions and answer keys for school textbooks across subjects.
Polish science journal Delta featuring mathematics and physics problems for secondary students.
Free worked solutions to Vietnamese standard (SGK) physics textbooks.