Question

Sound travels with a different speed in media. In what order does the velocity of sound increase in these media?

• A. Water, iron and air
• B. Iron, air and water
• C. Air, water and iron
• D. Iron, water and air

Answer 1

Answer: (C)

Air, water and iron

Sound travels fastest in solid medium. Sound travels at a slower rate in liquid than that in solid. Whereas sound travels with least velocity in gaseous medium.
Hence, increasing order of velocity of sound in the following media is as follows :
Air, water and iron.