The second semester of a calculus-based course for students in health or life sciences. Core topics: electric fields, circuits, magnetic fields, Faraday's law, Maxwell's equations, electromagnetic waves, properties of light, geometric optics, wave optics. Additional possible topics: optical instrumentation, quantum physics, selected applications. Students must enroll in a lecture (Physics 142L), a lab (Physics 142L9), and a discussion section (Physics 142L9D) to receive credit. Closed to students having credit for Physics 152L, 153L or 162D. Prerequisites: Physics 141L, 151L, or 161D.