Multiple choice Which of the following is/are the correct characteristic (s) of primary seismic wave? It is a longitudinal and compressional wave It is analogous to sound waves It travels with faster speed through solids but slowly through liquids All the above three Reveal answer Fill a bubble to check yourself D Correct answer Explanation The correct characteristic (s) of primary seismic wave are : It is a longitudinal and compressional wave. It is analogous to sound waves. It travels with faster speed through solids but slowly through liquids.