The wave equation
2 marks · EasyA water wave has a time period of 0.2 s. Calculate its frequency.
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5 Hz (±0.05)
Also accept: 5 Hz
Common mistakes: f = 0.2
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Marking points
M1 · 1 mark · Writes or uses correct equation f = 1/T.
A1 · 1 mark · Correctly calculates frequency as 5 Hz.
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