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Class 7 Science MCQs – Certification Test 1205

Vibrations and Sound waves Trivia (Question 1205) – Study App & e-Book Download

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MCQ 1205: The parts of sound waves where air pressure is lesser, is known as:

  1. compression
  2. rarefaction
  3. consolation
  4. expansion
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Vibrations and Sound waves Trivia App & e-Book – Class 7 Science Placement Tests

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Vibrations and Sound waves Trivia App

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