Oscillations; simple harmonic motion; waves. Gravitation. Sound. Light; geometric optics; optical instruments; interference and diffraction. Fluids. Kinetic theory. Heat and thermodynamics. Prerequisite: PHYS 241 or ENPH 231 Corequisite: MATH 204 or 213 Note: You can have credit in only one of PHYS 206; 207; 237; 243; 247; or 269.