Question

velocity of secondary waves is ... to primary wave​

Answer 1

Jump to Primary waves · Secondary waves (S-waves) are shear waves that are transverse in nature. ... S-waves are slower than P-waves, and speeds are typically around 60% of that of P-waves in any given material. Shear waves can't travel through any liquid medium, so the absence of S-wave in earth's outer core suggests a liquid state.

Answer 2

VELOCITY OF SECONDARY WAVES IS TO PRIMARY WAVES IS 1:7 OR 8:7