Page 5 - form 5 physics chapter 1

Period (T) Frequency, f Relation between
The time taken for an
oscillation to complete The number of waves frequency and period:
one cycle.
SI unit is second (s). produced in one

Wave Speed (v) second. f =1
The speed of a wave is SI unit is Hertz (Hz) T
the measurement of
how fast a crest is The relationship between speed, wavelength and
moving from a fixed
point. frequency
SI unit is ms-1.
Velocity = wavelength x frequency
v = fλ

Displacement-time graph Displacement-distance graph

Example 1 Velocity , v = fλ
From the graph,
calculate:
(a) Amplitude
(b) Period,
(c) Frequency

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