An ultrasonic wave in which particle displacement is 90 degrees to the direction ofwave propagation is called a:

An ultrasonic wave in which particle displacement is 90 degrees to the

1.	An ultrasonic wave in which particle displacement is 90 degrees to the direction ofwave propagation is called a:
A.	Longitudinal wave
B.	Shear wave
C.	Compressional wave
D.	Plate wave
Answer» C. Compressional wave