Damage may be a result of the direct effects of alcohol on the brain or may result indirectly, from a poor general health status or from severe liver disease. For example, thiamine deficiency is a common occurrence in people with alcoholism and results from poor overall nutrition.
In the case of a longitudinal wave, a wavelength measurement is made by measuring the distance from a compression to the next compression or from a rarefaction to the next rarefaction. On the diagram above, the distance from point A to point C or from point B to point D would be representative of the wavelength.
Indicate whether the statement is true or false. ____ 1. The distance between successive identical parts of a wave is its displacement. ____ 2. The unit of the period of a wave is the hertz. ____ 3. The amplitude of a wave is the vertical distance from the midpoint to either the crest or the trough of the wave. ____ 4. Sound waves are examples of longitudinal waves. ____ 5.