Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 General Knowledge Geography (World Geography) Geomorphology
Consider the following statements regarding the shadow zones of Earthquake waves:
1. The seismographs located beyond 145° from the epicentre, record the arrival of S-waves, but not that of P-waves
2. A zone between 105° and 145° from epicentre was identified as the shadow zone for both P and S types of waves.
Which of the statements given above is/are correct?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2