Class 7 Science MCQs (Grade 7) From Textbook

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Class 7 Science Learning Guide: Certification Test 1609

Speed of Sound Notes App & e-Book: MCQ 1609

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MCQ: 1609

Sound travels faster in liquids than air because

  1. liquid is more dense
  2. the particles in liquid are close
  3. the particles in liquids have less energy
  4. the particles in liquids collide less as compare to particles in air
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