1- Matter and Radiation 5.0 / 5 based on 1 rating ? PhysicsParticle physicsASAQA Created by: natalie1421Created on: 13-10-15 12:01 738261459 Across 1. Which type of radiation consists of 2 protons and 2 neutrons? (5) 4. What are the exchange particles in beta decay? (1, 6) 5. Which radiation consists of a fast moving electron? (4) 7. Why is light a wave? (2, 3, 2, 10) 8. What is the name of the repulsive force felt between 2 like charges? (13, 5) 9. What are the name and letter for the number of protons in an atom? (12, 6, 1) Down 2. What is the equation for photon energy? (1, 2) 3. What are the name and letter for the number of protons and neutrons in an atom? (11, 6, 1) 6. What is the charge of a photon? (4)
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