Physics GCSE Edexcel Quiz! Edexcel Physics P3 - particle physics and medical physics. 4.0 / 5 based on 18 ratings ? PhysicsElectricityGCSEEdexcel Created by: TiulaCreated on: 27-05-10 14:48 What is the equation that links pressure, volume and temperature? PV/T = constant 1 of 14 In an electron gun, by what process do electrons leave the cathode? Thermionic emission 2 of 14 What causes pressure? Particles colliding and exerting a force 3 of 14 How are neutrons detected? Let other nuclei absorb them and look for the decays that come from this 4 of 14 If there are too many neutrons in a nucleus... The nucleus decays by emitting an electron (B-) 5 of 14 How are the electrons channelled into a beam? There is a hole in the anode 6 of 14 When X-rays are made, electrons are fired at an anode made of ... tungsten 7 of 14 When waves slow down, which way do they bend? Towards the normal 8 of 14 What does BMR stand for? Basal Metabolic Rate 9 of 14 Oxygenated blood absorbs what type of light? Infrared 10 of 14 What is the equation for working out frequency? 1/time period 11 of 14 What is a thermal neutron? A slow-moving neutron used in nuclear bombardment 12 of 14 Definition of radiation? Energy emitting from a source 13 of 14 What happens to the particles at absolute zero? They stop moving 14 of 14
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