Modern Physics

Focus on Modern Physics is a collection of simulated online experiments and interactive sequences that cover radioactivity and atomic structure. The material also provides an introduction to Quantum Mechanics, Particle Physics and Special Relativity.

This online resource is part of the Focus Online Science Resource Pack.

Science Resource Pack: 1 year site licence: £99.95
Science Resource Pack: 2 year site licence: £169.95

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Modern Physics Topics:

Rutherford’s Experiment: alpha scattering experiment, interpretation, historical background, deflection of alpha particles.
Atomic Structure: energy levels, basic atomic model, energy levels and orbitals.
Properties of Radiation: deflection in a magnetic field, penetrating properties, absorption of gamma rays, Geiger counters.
Half Life: decay simulation, half life measurement, theory, radiometric dating.
Fission: uncontrolled chain reactions, controlled chain reactions, nuclear reactors, critical mass. Quantum Phenomena: the uncertainly principle, photoelectric effect experiment, double slit experiment.
Particle Physics: particles, fundamental forces, Feynman diagrams.
Decay Mechanisms: alpha decay, beta decay, gamma emission, electron capture, conservation laws, neutrinos and antineutrinos.
Special Relativity: reference frames, inertial frames, Galilean relativity, Galilean transforms, Maxwell’s equations, Michelson-Morley experiment, postulates of special relativity, Lorentz transforms, light clocks, time dilation, the twin paradox, simultaneity, length contraction.

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