In the propagation of a transverse wave, the maximum displacement of the particles of the wave from their mean position, is represented by ____________.
A
Ridges and grooves
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B
Compressions and rarefactions
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C
Crests and troughs
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D
Lines and points
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Solution
The correct option is C Crests and troughs A transverse wave is one in which the particles of the wave oscillate in a direction perpendicular to that of the propagation of the wave, i.e. if the wave is propagating horizontally, the particles oscillate up and down, as shown: The maximum displacement of particles on either side of the mean position is represented in the forms of peaks and valleys, called crests and troughs.