Through which one of the following mediums is the velocity of a sound wave the greatest?

A. Water
B. Air
C. Steel
D. Lead

Question

Through which one of the following mediums is the velocity of a sound wave the greatest? 
    
   A. Water
   B. Air
   C. Steel
   D. Lead

brrandyn · Answer

The velocity of sound waves are greatest in a solid medium, or rather, how closely molecules are packed. Therefore, when contrasting between steel and lead, use density to determine the answer.

Steel = ~7.85 g/cm³
Lead = ~11.34 g/cm³

The answer is: "D. Lead"

anonymous · Answer

the answer was actually steel