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

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.

Use flow chart and click on desired subject to get information on many areas of sound and hearing.

Nice animation of the generation of sound waves in one and two dimensions.

A thorough discussion, with good graphics, of the definition of the decibel and its relationship to loudness and sound pressure

Java applet animation of standing waves in open and closed tubes.