What are waves?
2 marks · EasyA spring is vibrated to create a wave moving at 4 m/s. Each wave cycle takes 0.5 s.
(a)[1 mark]
State the unit used for the wave speed in this example.
(b)[1 mark]
State the unit used to measure the time for one wave cycle.
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Show answer
(a) metres per second (m/s)
(b) second (s)
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Correctly states metres per second (m/s) as the unit for speed.
B2 (b) · 1 mark · Correctly states second (s) as the unit for time.
Worked solution
a. The speed is measured in metres per second (m/s).
b. The period (time for one wave cycle) is measured in seconds (s).