Physics 0.0 / 5 ? PhysicsMixedASAQA Created by: John SalmonCreated on: 26-04-17 17:08 What is represented by the area under a graph of force against distance? work 1 of 28 What letter represents absolute refractive index? n 2 of 28 For total internal reflection, does light have to go into a more or less dense medium? less 3 of 28 Using thin wire is a way to prevent what dispersion? modal 4 of 28 What word means same frequency/wavelength and a constant phase difference? coherent 5 of 28 When light passes through a gap it will diffract and... interfere 6 of 28 A vector has direction and... magnitude 7 of 28 A ... is a pair of equal and opposite forces acting on a body, but not along the same line. couple 8 of 28 If a body in ... equilibrium is displaced then released, it returns to its equilibrium position stable 9 of 28 What is distance in a given direction? displacement 10 of 28 What is defined as change of distance per unit time? speed 11 of 28 What is defined as change of displacement per unit time? velocity 12 of 28 What does S represent in SUVAT distance 13 of 28 Newton's third law: When two objects interact, they exert ... and opposite forces on each other equal 14 of 28 If a string is stretched beyond its ... limit, it does not regain its initial length when the force applied to it is removed elastic 15 of 28 What waves are waves in which the direction of vibration to the particles is parallel to the direction the wave travels? longitudinal 16 of 28 The ... of a vibrating particle is its distance and direction from its equilibrium position displacement 17 of 28 The ... difference between two particles vibrating at the same frequency is the fraction of a cycle between the vibrations of the two particles phase 18 of 28 What radiation consists of fast-moving electrons? beta 19 of 28 What does the P in PET stand for? positron 20 of 28 What is the antiparticle of the electron positron 21 of 28 What is the mass of an object multiplied by its velocity? momentum 22 of 28 A negatively charged particle with a rest mass over 200 times the rest mass of the electron muon 23 of 28 In any reaction what total number is conserved? baryon 24 of 28 Any process of creating ions is called... ionisation 25 of 28 The lowest energy state of an atom is its ... state ground 26 of 28 Material ... is is because the speed of light in the glass of the optical fibre depends on the wavelength of light travelling through it dispersion 27 of 28 What kind of current is cell emf divided by total circuit resistance? cell 28 of 28
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