Physics 0.0 / 5 ? PhysicsA lot of things broGCSEAQA Created by: becomesocialghostCreated on: 07-06-18 22:29 Name the 10 types of energy Kinetic, Elastic Potential, Thermal, Magnetic, Gravitational Potential, Nuclear, Sound, Light, Chemical 1 of 37 What is energy required for? For work to be done 2 of 37 Energy can not be created or destroyed, What happens to it instead? It is conserved so it can be transferred 3 of 37 How do you calculate efficiency? Effiency = useful output energy ÷ total input energy ( x100 when percentage) 4 of 37 How do you calculate gravitational potential energy? Gravitational potential energy = mass x gravitational field strength x height 5 of 37 How do you calculate kinetic energy? Kinetic Energy = 1/2 mass x velocity 6 of 37 What is Hooke's Law? Doubling the force acting on the spring will double its extension 7 of 37 What is specific heat capacity? the amount of energy required per unit mass to raise the temperature by 1 degree 8 of 37 How do you calculate specific heat capacity? Specific heat capacity = energy ÷ mass x change in temperature 9 of 37 How do you calculate the energy (P1)? Energy = mass x specific heat capacity x change in temperature 10 of 37 What is renewable energy? Energy that can be replenished 11 of 37 How do you calculate power (P1)? Power = energy ÷ time 12 of 37 How do you calculate charge? Charge = current x time 13 of 37 How do you calculate resistance? Resistance = voltage ÷ current 14 of 37 How do you calculate energy (P2)? Energy = power x time 15 of 37 What is the potential difference? The difference in electrical potential energy across the circuit 16 of 37 What is a series circuit? A circuit in which all the components are in a single loop 17 of 37 Which type of circuit are bulbs brighter in and why? Parallel, because there is more power 18 of 37 How do you calculate the total resistance in a series circuit? Find the sum of the resistors 19 of 37 What does a longer and thinner wire mean? That collisions between ions will become more frequent, resulting in an increase in resistance 20 of 37 What are the four main components of a UK mains plug? The Earth wire, the neutral wire, the live wire, and the fuse 21 of 37 What is the difference between AC and DC? AC voltage and current are always changing, DC voltage and current remain the same 22 of 37 How do you calculate the density of an object? Density = mass ÷ volume 23 of 37 What are the four states of matter? Solid, Liquid, Gas, Plasma 24 of 37 What is the process of turning from a solid to a gas (and vice versa) called? Sublimation 25 of 37 What will happen if the heat is raised in a fixed volume? The gas pressure will increase 26 of 37 What is latent heat of fusion? The energy required to change state from a solid to a liquid 27 of 37 What is latent heat of vaporisation? The energy required to change state from liquid to gas 28 of 37 What is an ion? An atom that has gained or lost electrons 29 of 37 What is an isotope? An atom that's had a variation in the number of neutrons 30 of 37 What is decay? When unstable atoms release radiation 31 of 37 What stops alpha radiation? Paper and skin 32 of 37 What is the relative size of beta radiation? 2 33 of 37 What is the charge of gamma radiation? 0 34 of 37 What is the equation for alpha decay? Decrease the proton number by 4, decrease the atomic mass by 2 35 of 37 What is the equation for beta decay? Increase the proton number by 1, leave the atomic mass the same 36 of 37 What is half-life? The time taken for half the unstable nuclei to decay 37 of 37
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