The sketched graph represents a progressive wave moving from the left to the right. The period the wave is 0.125s. Determine the values of the amplitude and wavelength, respectively, of the wave.

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A. 8 cm; 27 cm
B. 8 cm; 9 cm
C. 4 cm; 9 cm
D. 16 cm; 27 cm

Correct Answer:

Option B = 8 cm; 9 cm

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