Class 10 Physics MCQs App | Study Reflection (Echo) MCQs e-Book PDF
Class 10 Physics MCQs (Grade 10) From Textbook

Class 10 Physics MCQs – Certification Test 778

Reflection (Echo) MCQs (Question 778) – App & e-Book Download

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MCQ 778: The total distance covered by a sound wave from the generation point to reflecting surface and back should be:

  1. 17m
  2. 34m
  3. 15m
  4. 10m

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