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GCSE Waves 6.6.1.2
~7 min Difficulty: 6/10 7 marks
Prior knowledge multiplicationdivision
Problem structure
3 wave-speed marks, 2 time marks, 2 wave-property marks.

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A water wave has wavelength 0.80 m and frequency 2.5 Hz.
(a) 3 marks
Calculate the wave speed.
(b) 2 marks
Calculate the time for 15 waves to pass a point.
(c) 2 marks
State the effect on wave speed if the frequency increases but the wave continues in the same water depth.
Hints (reveal gradually)

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