Earthquake waves are classified as P waves and S waves. Which of the following s
ID: 1655735 • Letter: E
Question
Earthquake waves are classified as P waves and S waves. Which of the following statements is true about these waves?
Both the P and S waves are mixtures of longitudinal and transverse waves.
The P wave is longitudinal as is the S wave.
The P wave is longitudinal and the S wave is transverse.
The P wave is transverse as is the S wave.
The P wave is transverse and the S wave is longitudinal.
a.Both the P and S waves are mixtures of longitudinal and transverse waves.
b.The P wave is longitudinal as is the S wave.
c.The P wave is longitudinal and the S wave is transverse.
d.The P wave is transverse as is the S wave.
e.The P wave is transverse and the S wave is longitudinal.
Explanation / Answer
P waves :-
Primary waves (P-waves) are compressional waves that are longitudinal in nature. P waves are pressure waves that travel faster than other waves
S waves :-
Secondary waves (S-waves) are shear waves that are transverse in nature. S-waves arrive at seismograph stations after the faster-moving P-waves and displace the ground perpendicular to the direction of propagation
Ans (c) The P wave is longitudinal and the S wave is transverse.
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