VCE Physics Podcast: Recent Episodes
VCE Physics
A video podcast focusing on different concepts in VCE Physics. Check out the additional resources at: http://www.vcephysics.com/
Electric fields, Electric field lines - between plates, Electric field lines around particles, Electric field between charged particles, Coulomb’s law, Calculating with Coulomb’s law, Electric field strength, Electric fields & work, Speed of charged particles in electric fields
Dynamic microphone, Condenser microphone, Carbon microphone, Frequency response curves, Sound recording, Amplifiers, Loudspeakers
Definitions, Why optical fibres?, Light emitting diodes, Light dependent resistors, A light sensing circuit, Photodiodes, Phototransistors, Remote control circuit, Digital data, Binary numbers, Pulse Code Modulation, Light modulation
Australia’s energy usage, Why is sustainable energy important?, Energy transformations & efficiency, Solar energy, Photovoltaic cells, Solar energy calculations, Wind power, Wind power calculations, Hydro power, Hydro power calculations, Biofuels.
What is light?, The electromagnetic spectrum, Waves, Wave equations, Light as electromagnetic radiation, Polarisation, Colour, Colour addition, Colour subtraction, Interference & structural colour
The human eye, Near point, Lens power, Short sightedness (Myopia), Long sightedness (Hypermetropia), Using lenses
Refraction, Converging lens, Diverging lens, Images in convex (converging) lenses, The human eye, Images in concave (diverging) lenses, The lens & mirror equation, Image formation - summary
Reflection - formation of images, Reflection in concave mirrors, Reflection in convex mirrors, The lens & mirror equation
Reflection, Formation of images, Refraction, Refractive index, Snell’s law, Total internal refraction, Critical angle, Apparent depth, Dispersion of colour
Energy, Work, Gravitational potential energy, Kinetic energy, Work calculations, Ramps, Energy transformations, Elastic potential energy, Efficiency, Power
Momentum, Calculating momentum changes, Impulse, Force & time - Airbags, Conservation of momentum, Conservation of momentum calculation
Gravity and Newton’s third law, Tension and pulleys, Car towing a trailer, Inclined planes
Forces, Forces as vectors, Resolving vectors, Explaining motion - Aristotle vs Newton, Newton’s first law, Newton’s second law, Weight, Calculating acceleration, Newton’s third law, Moving forward, Gravity & Newton’s third law
Displacement, velocity and acceleration, Velocity-time graph, The five kinematics equations, Solving kinematics problems, Gravity
Constant velocity, Constant acceleration, Interpreting position-time graphs, Interpreting velocity-time graphs, Solving problems with graphs
Motion as a vector, Vector resolution, Vectors in two dimensions, Distance & displacement, Speed & velocity, Acceleration, Acceleration while changing direction
The nucleus, Nuclear fission, Chain reactions, Mass defect, Atomic mass units , Uranium 235 fission, Energy released: E = mc2, Binding energy
Radioisotopes all have a characteristic half-live, that measures the time taken to decay. This podcast looks at the calculations involving half-lives.
- Photon momentum
- Photon momentum calculations
- De-Broglie wavelength
- Electron diffraction
- Emission and absorption spectra
- Energy levels Bohr’s model of electrons
- Hydrogen emission spectrum
- Mercury emission spectrum
- Electron waves
Lenard’s experiment, The photon model, Light as photons, Einstein’s explanation of the photoelectric effect, Photon energy, Electron volts, Electron energy
Huygen’s wave theory, Newton’s corpuscular theory, Young’s double slit experiment, Double slit interference, Diffraction, Single slit interference, The electromagnetic nature of light, The electromagnetic spectrum, Light as electromagnetic radiation
Diffraction, Diffraction through gaps, Interference patterns - two sources, Calculating interference patterns, Calculating interference patterns - directly between sources, Calculating interference patterns - in front of one source.
Standing waves in strings, Speed of waves in strings, Standing waves in strings - other harmonics, Beats, Open ended pipes, Open ended pipe harmonics, Closed pipes, Closed pipes harmonics, Harmonics & timbre, Spectral analysis
Sound intensity, Sound level: The decibel scale, Sound level calculations, Some decibel measurements, Change in intensity, Human hearing, The Phon scale
Sound waves, Wave equations, Speed of sound, The Ear, Speed of sound, Sounds are waves, Intensity, Pitch, Timbre
Mains AC, Transmission of electricity, Energy losses, Transformers, Transmission power calculations, Power
Voltage across a moving rod, Induced current - opposes changing flux, Magnetic flux, Lenz’s law, Induced EMF, EMF calculations, EMF vs flux graphs, AC generator (alternator)
A look at the forces acting on current carrying wires & charged particles in magnetic fields.
Magnetism, Earth’s magnetic field, Magnetic fields, Drawing the magnetic fields, Strength of magnetic fields, Magnetic fields around wires, The right-hand grip rule, The solenoid
Torque, Centre of mass, Equilibrium, Stability, Tension structures, Arches, Cantilevers, Ties
Forces, Stress, Strain, Stress / strain graphs, Young’s modulus, Strength, Strain energy and toughness
Semiconductors and doping, PN junctions, Reverse bias - no current, Forward bias, Diode IV curves, Uses of diodes, Calculations with diodes in series and parallel
Electric charge, Current, Potential difference, Resistance, Ohm’s law, Series circuits, Parallel circuits, Combination circuits - series + parallel, Power
Acceleration, Calculating accelerations, Turning and angles, Circular motion on an inclined bank, Vertical circular motion, Staying in the circle
Types of errors, Accuracy vs precision, Estimating uncertainties, Calculating with uncertainties, Finding relationships between data, Graphing with uncertainties
An analysis of the energy changes as a weight oscillates up & down on a spring - Gravitational, kinetic and elastic potential energy.
Projectile path, Forces on a projectile, Velocity of a projectile, Projectiles & energy, Horizontal projection, Projection at an angle, Problem solving