In longitudinal waves, the vibration of the particles of the medium:
A. is /are always in the direction of the wave
B. is/ are always perpendicular to the direction of the wave
C. molecules do not vibrate at all
D. at an angle of 60o from the direction of wave
Answer:A
In longitudinal waves, the vibration of the particles of the medium:
A. is /are always in the direction of the wave B. is/ are always perpendicular to the direction of the wave C. molecules do not vibrate at all D. at an angle of 60o from the direction of wave