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General Science • PhysicsMedium

Which type of mechanical wave can propagate through solids, liquids, and gases alike?

A. Transverse waves
B. Longitudinal waves✓ Correct Answer
C. Surface water waves
D. Torsional waves

💡 Solution & Explanation

Longitudinal waves propagate energy through compressions and rarefactions parallel to the direction of wave travel, permitting them to move seamlessly through solids, liquids, and gases. Alternative choices like transverse waves require shear stress resistance found predominantly in solids, rendering them incapable of traveling through ideal fluids. Sound waves in air serve as the classic textbook example of longitudinal mechanical waves.

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