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  9. Q21

RRB NTPC 2012 · Question 21 of 115

Speed of sound is greater in solids than in liquids because

  1. AThe atoms in solids are regularly arranged
  2. BThe atoms in liquids are loosely packed
  3. CThe solids have high elasticityCorrect
  4. DNone of the above.

Answer: C. The solids have high elasticity

Official answer key verified. Detailed explanation coming soon.

Source: RRB NTPC Previous Year Paper-2012 (entri.app compilation, memory-based) · memory-based

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