Which of the following is a type of wave that is both mechanical and longitudinal?
A
Water waves
B
Seismic waves
C
Sound waves
D
Light waves
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Sound waves are mechanical waves that are longitudinal. This means that the particles of the medium through which sound waves travel, such as air or water, move back and forth in the same direction as the wave travels.
Source: WAEC / JAMB / NECO Classroom Archive (Record #68585)