ESS
Grade-10
Easy
Question
The P-wave of an earthquake arrive at a seismic station before the S-wave because____________.
- The velocity of P-wave is greater than the S-wave.
- The P-wave starts from the epicenter of earthquake.
- The velocity of S-wave decreases as it goes through the liquid medium.
- The velocity of P-wave and S-wave is same.
The correct answer is: The velocity of P-wave is greater than the S-wave.
S wave moves at the speed of four
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