At one instant

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

At one instant, the displacements of points along a stretched string are measured as follows: x (cm): 0 2 4 6 8 10 y (cm): 0 3 0 -3 0 3 The pattern continues similarly beyond 10 cm. What is the wavelength of the wave? (a) 0.04 m0.04\,\text{m} (b) 0.12 m0.12\,\text{m} (c) 0.08 m0.08\,\text{m} (d) 0.06 m0.06\,\text{m}

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