The distance measured indicates the wavelength of the passing deep-water wave was approximately ______ m. a.25 b.55 c.95
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Ocean waves are also described by their wavelength, the horizontal distance between any two successive wave crests (or other successive points on the wave such as from trough, the lowest point of the wave, to trough). You can approximate wavelengths on the Wave Analyzer by using the distance scale shown along the right side of the viewing window. Imagine yourself on the deepwater boat, with the Wave Analyzer set at time “0” and a wave crest off the boat’s bow. Run the animation until the next wave crest arrives off the boat’s bow and then stop it. Using the distance scale given with a 10-m interval between tick markers, measure the distance between these successive wave crests. The distance measured indicates the wavelength of the passing deep-water wave was approximately ______ m.
a.25
b.55
c.95
Record this wavelength in the top deep-water section on the Wave Characteristics Table. Follow the same procedures for wave crests passing transitional and shallow positions, being sure to start with times set at “0” and ending at the time the next wave crest arrives. Record from the choices in Item 7 the one that best fits your measurements in the transitional and shallow-water parts of the Wave Characteristics Table. Your observations show that as the wave travels from deep water into shallow water, the wavelength ______.
a.decreases
b.increases
c.remains the same
Ocean waves are also described by their wave speed, determined by dividing the wavelength by the wave period. Note on your Wave Characteristics Table the deep-water wavelength and wave period values you recorded. They indicate that the wave speed of the deep-water wave you examined was about ______ m/sec.
a.1.7
b.3.7
c.6.3"
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Follow the same procedure ... As a wave travels from deep to shallow water, its wave speed _
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