hij Teacher Resource Bank GCE Physics A Changes to Content

Transcription

1 hij Teacher Resource Bank GCE Physics A Changes to Content Copyright 2008 AQA and its licensors. All rights reserved. The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company number ) and a registered charity (registered charity number ). Registered address: AQA, Devas Street, Manchester M15 6EX. Dr Michael Cresswell, Director General.

2 AQA Physics Specification A Summary of Content Changes Equivalency found in this unit of Specification A (6451) Equivalency found in this unit of Specification B (6456) PHYA1 Particles, Quantum Phenomena and Electricity Subject Content Particles and Radiation Constituents of the atom PA01 PHB2 Stable and unstable nuclei PHA5-9/W PHB5 Particles, antiparticles and photons PA01 PHB2 Particle interactions PHB2 Classification of particles PA01 PHB2 Quarks and antiquarks PA01 PHB2 Electromagnetic Radiation and Quantum Phenomena The photoelectric effect PA01 PHB4 Collisions of electrons with atoms PA01 PHB4 Energy levels and photon emission PA01 PHB4 Wave-particle duality PA01 PHB4 Current Electricity Charge, current and potential difference PHA3/W PHB1 Current/voltage characteristics PHA3/W PHB1 Resistivity PHA3/W PHB1 Circuits PHA3/W PHB1 Potential divider PHA3/W PHB1 Electromotive force and internal resistance PHA3/W PHB1 Alternating currents PHA3/W PHB1 Oscilloscope PHA3/W 2 Copyright 2008 AQA and its licensors. All rights reserved. klm

3 PHYA2 Mechanics, Materials and Waves Mechanics Scalars and vectors PA02 PHB1 Moments PA02 PHB1 Motion along a straight line PA02 PHB1 Projectile motion PA02 PHB1 ton s laws of motion PA02 PHB1 Work, energy and power PA02 PHB1 Conservation of energy PA02 PHB1 Materials Bulk properties of solids PHA3/W PHB4 The Young modulus PHA3/W PHB4 Waves Progressive Waves PA04 PHB2 Longitudinal and transverse waves PA04 PHB2 Refraction at a plane surface PA01 PHB2 Superposition of waves, stationary waves PA04 PHB2 Interference PA04 PHB2 Diffraction PA04 PHB2 PHYA4 Fields and Further Mechanics Further Mechanics Momentum concepts PA02 PHB4 Circular motion PA04 PHB4 Simple harmonic motion PA04 PHB4 Simple harmonic systems PA04 PHB4 Forced vibrations and resonance PA04 PHB4 klm Copyright 2008 AQA and its licensors. All rights reserved. 3

4 Gravitation ton s law PA04 PHB1/PHB5 Gravitational field strength PA04 PHB5 Gravitational potential PA04 PHB5 Orbits of planets and satellites PA04 PHB5 Electric Fields Coulomb s law PA04 PHB5 Electric field strength PA04 PHB5 Electric potential PA04 PHB5 Comparison of electric and gravitational fields Capacitance PA04 PHB5 Capacitance PA04 PHB4 Energy stored by a capacitor PA04 PHB4 Capacitor discharge PA04 PHB4 Magnetic Fields Magnetic flux density PA04 PHB5 Moving charges in a magnetic field PA04 PHB5 Magnetic flux and flux linkage PA04 PHB5 Electromagnetic induction PA04 PHB5 4 Copyright 2008 AQA and its licensors. All rights reserved. klm

5 Unit 5 Nuclear Physics, Thermal Physics and an Optional Topic Nuclear and Thermal Physics Evidence for the nucleus PA01 PHB2 α, β and γ radiation PHA5-9/W PHB2 Radioactive decay PHA5-9/W PHB2 Nuclear instability PHA5-9/W Nuclear radius PHA5-9/W Nuclear Energy Mass and energy PA04 PHB5 Induced fission PA04 PHB5 Safety aspects PA04 Thermal Physics Thermal energy PA02 PHB4 Ideal gases PA02 PHB4 Molecular kinetic theory model PA02 PHB4 Options PHA5A Astrophysics Lenses and Optical Telescopes Lenses Astronomical telescope consisting of two converging lenses Reflecting telescopes Resolving power PHB2 Charge coupled device Non-Optical Telescopes Single dish radio telescopes, I-R and X-ray telescopes klm Copyright 2008 AQA and its licensors. All rights reserved. 5

6 Classification of Stars Classification by luminosity Apparent magnitude, m Absolute magnitude, M Classification by temperature, black body radiation Principles of the use of stellar spectral classes The Hertzsprung-Russell diagram Supernovae, neutron stars and black holes Cosmology Doppler effect PHB2 Hubble s law PHB2 Quasars PHA5B Medical Physics Physics of the Eye Physics of vision Sensitivity of the eye Spatial resolution Persistence of vision Lenses Ray diagrams Defects of vision Correction of defects of vision using lenses Physics of the Ear The ear as a sound detection system Sensitivity and frequency response Relative intensity levels of sounds 6 Copyright 2008 AQA and its licensors. All rights reserved. klm

7 The threshold of hearing Defects of hearing Biological Measurement Basic structure of the heart Electrical signals and their detection; action potentials Simple ECG machines and the normal ECG waveform Non-Ionising Imaging Ultrasound imaging PHB2 Piezoelectric devices A-scan and B-scan Fibre optics and Endoscopy PHB2 MR Scanner X-Ray Imaging X-rays PHB2 Physical principles of the production of X-rays Differential tissue absorption of X- rays Exponential attenuation Image contrast enhancement Radiographic image detection CT scanner PHA5C Applied Physics Rotational Dynamics Concept of moment of inertia Rotational kinetic energy Angular displacement, velocity and acceleration Torque and angular acceleration Angular momentum Power klm Copyright 2008 AQA and its licensors. All rights reserved. 7

8 Thermodynamics and Engines First law of thermodynamics PHB4 Non-flow processes The p V diagram PHB4 Engine cycles Second Law and engines Reversed heat engines PHA5D Turning Points in Physics The Discovery of the Electron Cathode rays PHA8/W Thermionic emission of electrons PHA8/W PHB4 Determination of the specific charge of an electron, e/m, by any one method PHA8/W PHB4 Principle of Millikan s results PHA8/W Wave Particle Duality ton s corpuscular theory of light Significance of Young s double slits experiment PHA8/W PHA8/W PHB2 Electromagnetic waves PHA8/W PHB2 The discovery of photoelectricity PHA8/W PHB4 Wave particle duality PHA8/W PHB4 Electron microscopes PHA8/W Special Relativity The Michelson-Morley experiment PHA8/W Einstein s theory of special relativity PHA8/W Time dilation PHA8/W Length contraction PHA8/W Mass and energy PHA8/W PHB5 8 Copyright 2008 AQA and its licensors. All rights reserved. klm