Consider the following statements relating to the shadow zone in an earthquake.
i. The shadow zone of S-waves is larger in extent as compared to that of P-waves.
ii. The shadow zone of S-waves covers over 40 percent of the earth surface.
iii. The entire area beyond 105 degrees from the epicenter do not receive any seismic wave.
iv. Zone between 105 – 145 degrees is shadow zone of both P and S-waves.
Choose the correct answer from the options code given below.
1
i, ii and iv
2
ii, iii and iv
3
i, ii and iii
4
i, iii and iv