Wave A has a wavelength of 2 meters and a frequency of 1.5 Hz Calculate the wave's speed. Wave B has a frequency of 18 Hz in the same medium. What is Wave B's speed? Calculate Wave B's wavelength. So, as \( f \) increases in the same medium, \( \lambda \)
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Bonus Knowledge
To calculate the speed of Wave A, we use the formula \( v = f \times \lambda \). For Wave A, speed \( v = 1.5 \, \text{Hz} \times 2 \, \text{m} = 3 \, \text{m/s} \). For Wave B, the speed is the same since both waves are in the same medium, so \( v = 3 \, \text{m/s} \). To find Wave B's wavelength, we can use the same formula rearranged as \( \lambda = \frac{v}{f} \), leading us to \( \lambda = \frac{3 \, \text{m/s}}{18 \, \text{Hz}} = 0.1667 \, \text{m} \). As \( f \) increases in the same medium, \( \lambda \) decreases, demonstrating the inverse relationship between frequency and wavelength. This means that when a wave travels faster in the same medium, it squishes more cycles into the same spatial length, leading to a shorter wavelength!
