Question

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Answer 1

Waves in which the vibrations swing back and forth perpendicular to the direction that the wave travels are called transverse waves.

Answer: Option B

Explanation:

In the transverse waves, the displacement of particles is perpendicular to wave propagation's direction. The particle does not move with the waves; when the wave passes, they simply oscillate up and down in individual equilibrium positions.

In Earthquake, S waves (secondary waves) are the best example to the transverse wave. S waves spread more slowly than P waves and later arrive in a few seconds. A classic example, the wave from a long rope. The waves move from rope’s one end to the end of other, but the real rope goes up and back, not like a wave from left to right.