The place on earth's surface which records the seismic waves first, is called

Consider: I. Earthquake waves are basically of two types: body waves and surface waves. II. The body waves interact with the surface rocks and generate surface waves. Which is/are correct?

Which one of the following statements about earthquake waves is not correct?

Which one of the following statements regarding S-waves is not correct?

Which one of the following statements about primary waves of earthquakes is not correct?

Consider: I. In a seismograph, P waves are recorded earlier than S waves. II. In P waves, particles vibrate to and fro in the direction of wave propagation; in S waves, particles vibrate up and down…