Atomic Models

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Interactive Java applets that can be downloaded or run from the website. Graphics are excellent. Covers several less common topics, e.g. in heat and thermodynamics.

A repeating slide show of images at different magnifications from the scale of the universe to the scale of nucleons.

Basic explanation and diagrams of atomic structure and how it relates to light energy.

Physics

Need to study for Physics? Here are some questions to help you out!!!

A simple explanation of Bohr's theory of Hydrogen Atom and useful java applet which illustrates a hydrogen atom according to particle or wave model.

The clear explanation of photoelectric effect combined with the simulation of an experiment for the determination of the Planck constant and the work function.

This site gives a nice description on the Rutherford Model of the atom as well as a detailed explanation on working with the equations involved.

A list of commonly used physical constants in SI units.