When a disturbance creates oscillations perpendicular (at right angles) to the propagation of the wave, they give rise to ___ waves.

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Solution

In a transverse wave, particles do not oscillate along the line of wave propagation but oscillate up and down about their mean position as the wave travels. Lightwave is a transverse wave.

In a longitudinal wave, particles oscillate along the line of wave propagation about their mean position as the wave travels. A sound wave is a longitudinal wave.

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Particles in a longitudinal wave have to move perpendicular to the direction of the wave propagation.

y = \frac{1}{1 + x^{2}}

t = 0

y = \frac{1}{[1 + (x - 1)^{2}]}

t = 2 s

x

y

metres

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