The content of Physics II publication is related to the new syllabus of Physics II as it is taught at the Faculty of Mechanical Engineering of the Czech Technical University in Prague, from the academic year 2017/2018. It is linked-up to Physics I manuscript, and continues with description of majior laws and principles of classical physics. Brief insight into modern physics starts with the special theory of relativity, wave-particle dualism, uncertainty relations, Bohr model of hydrogen atom and Schrodinger equation together with some of its applications. The text is closed by the nuclear physics.