Physics 88 Modern physics 66 International journal of modern physics 10 Nuclear physics 8 Philosophy 8 Modern Physics 7 Quantum theory 7 Competitive exams study materials; Study and teaching 6 Relativity 6 MODERN PHYSICAL ORGANIC CHEMISTRY 4 Mysticism 4 Science 4 Solid state physics 4 Theoretical physics 4 Atomic Physics 3 Cosmology 3 Electronics 3 MODERN PHYSICAL CHEMISTRY 3 Modern physics letters A 3 Nuclear Physics 3 Optics 3 Physics--Experiments 3 Theoretical chemistry 3 Applied physics 2 Atomic structure of matter 2 BIOPHYSICAL SCIENCE - A STUDY PROGRAM 2 Chemical physics 2 Chemistry, Physical and theoretical 2 Electricity 2 Electricity. physics 2