PDE Q103

103The earthquake waves which have transverse movements are known as

Option : B
Explanation :
Secondary (S) waves are shear waves that move the ground up and down or side to side.

A. Primary waves – Incorrect. P-waves are compressional, not transverse.
B. Secondary waves – Correct. They move transversely.
C. Surface waves – Incorrect. Move in complex rolling motions.
D. None of the above – Incorrect. S-waves are transverse.

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