Question

11. In a transverse wave that travels through a medium, the molecules of the medium vibrate

A. with smaller amplitudes than the molecules in a longitudinal wave.
B. at right angles to the direction in which the wave travels.
C. in the direction in which the wave travels.
D. at twice the velocity of the molecules in a longitudinal wave.

Answer 1

"Transverse" means that the molecules of the medium vibrate
at right angles to the direction in which the wave travels.