Sound travels fastest through which of the following media?
AGases
BSolids
CVacuum
DLiquids
Answer & Solution
Correct answer: B. Solids
1. Sound needs a medium and travels by particle vibration; closer particles transmit it faster.
2. Particles are most closely packed in solids.
3. Hence sound travels fastest in solids.
_Source: RRB Group D CEN-02/2018 PYQ, Q.77._
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