Physics crossword 8 0.0 / 5 ? PhysicsGeneralA2/A-levelOCR Created by: EMHartley13Created on: 22-05-17 08:33 684325179 Across 1. the minimum frequency of light that will eject photoelectrons from a given surface. This varies with material (9, 9) 7. the number of nuclei in a radioactive source decaying per second- unit Bequerel Bq (8) 9. the energy per unit time carried by a wave and incident normally perunit area of surface (9) Down 2. can be easily drawn into a wire. Metals have non-directional metallic bonds which allow ions to slip over each other, giving them this property (7) 3. the effect produced when a driving frequency matches the natural frequency of a system, resulting in large-amlitude oscillations (9) 4. the ratio force/extension for an elastic specimen (5, 8) 5. the volume of an ideal gas increases linearly with temperature at constant pressure (7, 3) 6. phase difference is expressed as a frection of one cycle, or 2(pi) radians, or 360(degrees) (5, 5) 8. the number of protons and neutrons in each nucleus of an isotope (also nucleon number) (4, 6)
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