Question

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select one
which wave has the greater amplitude?
they both have the same amplitude
wave a has the greater amplitude
wave b has the greater amplitude

Explanation:

Step1: Recall the definition of amplitude

Amplitude is the maximum displacement from the equilibrium position.

Step2: Compare the amplitudes of Wave A and Wave B

By observing the graph, Wave A (the red - colored wave) reaches a greater maximum displacement from the equilibrium (the horizontal line) compared to Wave B (the green - colored wave).

Answer:

Wave A has the greater amplitude