Aqa A Level Physics Paper 1 Study Guide Questions And Correct Answers

Phase {Ans: A measurement of the position of a certain point along the wave cycle}Superconductor {Ans: A material that has zero resistivity when it is cooled below its critical temperature}Ultimate Tensile Stress {Ans: The maximum stress that a material can withstand}Absolute Refractive Index {Ans: The ratio between the speed of light in a vacuum and the speed of light in that material}Over Damping {Ans: Stops oscillating over 1 time period but takes longer to return to equilibrium (eg toilet seat)}Relative Refractive Index {Ans: The ratio of the speed of light in one material to the speed of light in a second material}Work Function (Φ) {Ans: The minimum amount of energy required for an electron to escape a metal's surface}Overtone {Ans: A natural frequency that is a multiple of the fundamental tone's frequency}Moment of a Couple {Ans: The force multiplied by the perpendicular distance between the lines of action of the forces}Heavy Damping {Ans: Stops oscillations in few time periods, amplitude gets much smaller each period (like adding a parachute or something)}