Which one of the following statements concerning P waves is true?

Question

Quizplus · Accepted Answer

P waves are longitudinal waves that can travel through solid and liquid materials, including the Earth's core. They have the highest velocity of all seismic waves and arrive first at distant seismic stations, followed by S waves and surface waves. Therefore, statement B is true. Statements A and C are false because P waves can travel through the outer and inner cores and can be refracted across the crust-mantle boundary. Statement D is also false because P waves propagate by vibrations parallel to the direction of wave motion, not at right angles to the ray path.

Which One of the Following Statements Concerning P Waves Is