The wave equation
1 mark · EasyState the equation that links wave speed (), frequency (), and wavelength ().
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v = f \times \lambda
Also accept: speed = frequency × wavelength; wave speed = frequency × wavelength
Common mistakes: v = \frac{\lambda}{f}; v = \frac{f}{\lambda}
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Marking points
B1 · 1 mark · States correct equation for wave speed, frequency, and wavelength.
Worked solution
The correct equation is: