P4 Radiation for Life 5.0 / 5 based on 1 ratingTeacher recommended ? PhysicsElectricityGCSEOCR Created by: Erica MarshallCreated on: 12-03-13 21:50 962314578 Across 1. What sort of radiation should a tracer emit? (5) 5. What rays are made by firing high-speed electrons at metal targets? (1, 4) 6. What type of nuclear radiation travels at about one-tenth the speed of light? (4) 7. When a polythene rod is rubbed with a duster, electrons are transferred from the duster to the polythene. What charge does the polythene rod have now? (8, 6) Down 2. What is an example of a transverse wave? (1, 5, 4) 3. What type of nuclear radiation does not change the composition of the nucleus? (5) 4. A smoke detector contains an isotope which emits ______ particles (5) 8. An atom or molecule that has become charged is an ___. (3) 9. What is used to destroy a tumour in the body? (1, 12)
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