PHYS 2A- Final Exam Guide - Comprehensive Notes for the exam ( 121 pages long!)
Document Summary
Range of validity: only applies to certain situations under certain conditions. Model: a simplified version of a physical system that would be too complicated to analyze in full detail. Physical quantity: any number that is used to describe a physical phenomenon quantitatively. Operational definition: physical quantities that are so fundamental that we can define them only by describing how to measure them. International system (si): system of units that scientists and engineers used. One second: the time required for 9,192,631,770 cycles of this microwave radiation. Meter: the distance that light travels in vacuum in 1 299,792,458 second. Kilogram: the mass of a particular cylinder of platinum iridium alloy kept at the international. Bureau of weights and measures at s vres, near paris. Dimensionally consistent: two terms may be added or equated only if they have the same units. Error: indicates the maximum difference there is likely to be between the measured value and the true value.
