P3 Edexcel test P3 revision 3.5 / 5 based on 3 ratings ? PhysicsForces and MotionGCSEEdexcel Created by: [email protected]Created on: 30-04-12 11:17 The reaction where a heated cathode releases electrons Thermionic emission 1 of 5 Before and after an action Momentum... stays the same 2 of 5 Optical fibres work via Total internal reflection 3 of 5 What is a neutron made up of down, down up, 4 of 5 What is an proton made up of up, up, down 5 of 5
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