On top a coiled spring labeled Wave A with coils, which are widely spaced then tightly spaced then widely space. On bottom a coiled spring labeled Wave B with coils, which are widely spaced then very tightly spaced then widely space. Which statement can be made about waves A and B?
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B. Wave A has a higher amplitude than Wave B.
Explanation:
Amplitude is displayed in how tightly the medium (the entire coil) is squeezed together in its areas of compression (the area where the coil is all bunched up together). The tighter the compression, the higher the amplitude.
Here, Wave A has a tighter middle compression than Wave B. This means the amplitude is higher than in Wave B.
It isn't frequency because we don't see another compression or rarefaction in either wave, and we therefore cannot measure frequency.
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