Sound and Vacuum MCQs App Download | Class 7 Science MCQs e-Book PDF
Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Certification Test 966

Sound and Vacuum MCQs (Question 966) – App & e-Book Download

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MCQ 966: Sound cannot travel in vacuum because:

  1. there is no pressure in vacuum
  2. there is no air in vacuum
  3. there is no humidity in vacuum
  4. there are no particle in vacuum
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Sound and Vacuum MCQs App & e-Book – Class 7 Science Learning Guide

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