Multiple choice

Which of the following waves travel only through solid materials?

  1. P-waves

  2. S-waves

  3. Sound waves

  4. Surface waves

  5. Both 1 and 2

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

S-waves (secondary waves) arrive at the surface with some time lag. An important fact about S-waves is that they can travel only through solid materials.