GATE-2018 (24) :Wyllie – Time average equation

 18. The given figure shows the ray path of a P–wave propagating through the Earth. Choose the CORRECT P–phase corresponding to the ray path.

 

A) PcP

B) PKP

C) PPP

D) PmP

Answer: B

For more information please check below post:

https://gpsurya.blogspot.com/2018/05/csir-net-2017-june-94.html

_References: 

_{1. Fundamentals of Geophysics by William Lowrie.}