Question

Which statement about the effects of medium on the speed of a mechanical wave is true?

A. Medium has no effect on the speed of a mechanical wave.
B. A mechanical wave generally travels faster in solids than liquids.
C. A mechanical wave generally travels faster in gases than liquids.
D. A mechanical wave always travels through liquids at the speed of light.

Answer 1

C. A mechanical wave generally travels faster in gases than liquids.