Q. With reference to P waves and S waves generated during an earthquake, consider the following statements:
1.P waves and S waves can travel through all three mediums- solid, liquid, and gas.
2.The shadow zone of S-wave is larger than that of the P-waves.
Which of the statements given above is/are correct
Answer: B
Notes:
Statement 1 is incorrect: S waves can travel only through solid medium.
Statement 2 is correct: The shadow zone results from P waves being refracted by the liquid core and S waves being stopped completely by the liquid core.
- The shadow zone of S-wave is larger than that of the P-waves.
Source: Article
