waves include primary wave (P-wave) and secondary wave (S-wave) .
举一反三
- Seismic waves include P wave, S wave, Rayleigh wave and Love wave, of which the fastest is P wave.
- Which type of earthquake wave is a compressional wave? A: P-waves B: surface waves C: long waves D: S-waves
- In a ( ), the oscillations are perpendicular to the direction in which the wave travels. An example is a wave on a string. A: transverse wave B: longitudinal wave
- What kind of wave does ultrasound belong to and has certain radiation? A: Electromagnetic wave B: Mechanical wave C: Particle wave D: Light wave
- The sound wave is (). A: Mechanical transverse wave B: Mechanical longitudinal wave C: Electromagnetic wave D: X<br/>rays.