Consider the following statements : 1. In a seismograph, P waves are recorded earlier than S waves. 2. In P waves, the individual particles vibrate to and fro in the direction of wave propagation whereas in S waves, the particles vibrate up and down at right angles to the direction of wave propagation. Which of the statements given above is/are correct?
a
1 only
b
2 only
c
Both 1 and 2
d
Neither 1 nor 2
GeomorphologyEarthquake WavesSeismographP wavesS waveswave propagationparticle vibrationlongitudinal wavestransverse waves