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  1. There’s Noise and There’s Noise (1986 Video)

    Subject
    Physics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Noise can be a serious health hazard and it is important to be able to quantify noise levels. Explains the physics of noise, defining frequency, decibels, and A-weighted decibels. Compares noise levels of a...

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