O-LevelPhysicsWaves5054/11 · May/June 2011 · Q251 Mark
Sound travels at different speeds in air, water and steel. For these materials, which row is correct?
Asound travels slowest in: air, sound travels fastest in: steel
Bsound travels slowest in: air, sound travels fastest in: water
Csound travels slowest in: steel, sound travels fastest in: air
Dsound travels slowest in: water, sound travels fastest in: air
✓ Correct answer
A: sound travels slowest in: air, sound travels fastest in: steel
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