31.2 Contemporary Physics: classical and modern This theory integrated many phenomena such as: X-ray, radioactivity, electron, radiation of blackbody, photoelectric effect, quantization of angular momentum and energy. Kinematics and dynamics Classical physics Electromagnetism Thermodynamics Relativity (special and general) Modern physics Quantum mechanics 81.3 Why must we study physics I. What is physics? Physics studies fundamental structures fundamental interactions of substances and fundamental laws of motion of matter in various structure level Physics is foundation to all natural sciences technologies and engineerings Physics education should be the education of science diathesis 6
6 §1.2 Contemporary Physics: classical and modern This theory integrated many phenomena such as: X-ray, radioactivity, electron, radiation of blackbody, photoelectric effect, quantization of angular momentum and energy. Classical physics Modern physics Kinematics and dynamics Electromagnetism thermodynamics Relativity(special and general) Quantum mechanics §1.3 Why must we study physics 1. What is physics? Physics is foundation to all natural sciences, technologies and engineerings. Physics education should be the education of science diathesis. Physics studies fundamental structures , fundamental interactions of substances, and fundamental laws of motion of matter in various structure level
51.3 Why must we study physics 2. The relationships among the physics and other disciplines Ophysics and astronomy astronomical observation physics s1.3 Why must we study physics THE UNIVERSE HE UNIVERSE contains everything that exists-not only the Earth and everything on it, but also all the planets, stars, at them, The sun. at the center of th solar system, is just one of about Galaxies Way, Astronomers have estimate hat there are about 100 billion scientists think that the universe formed about 15 billion years THe Earth and the sola enormous explosion called also think that the universe galaxies in the universe
7 §1.3 Why must we study physics 2. The relationships among the physics and other disciplines 1physics and astronomy astronomical observation physics §1.3 Why must we study physics
51.3 Why must we study physics Einstein EINSTEINS THEORY OF GRAVITATION SU ggested E NSTE IN sugested that gravitation, or gravity, results Proving the theory that a bod the Earth, will make something I can be seen to bend like a dent in with a ght, will be drawn into the dent alongside it arge Small body mass will Einstein ' s theory bent space that a heauy ball will Large mass Line of orbit 8 1.3 Why must we study physics Einstein ring and gravitation lens 8
8 §1.3 Why must we study physics Einstein suggested that a body with a large mass will bent space. §1.3 Why must we study physics Einstein ring and gravitation lens