Consider the diagram for No.6.
6. Point C represents the______ of a transverse wave.
A. trough
B. crist of a transverse wave.
C. amplitude
D. frequency
7. In a longitudinal wave moving along a slinky, the areas where the coils are farthest apart are called_____
A. compressions
B. raefactions
C. wavelengths
D. frequencies
8. Which of the following is NOT capable of transmitting sound?
A, ai
B. water
C. steel
D. a vacuum
