Download Class 10 Physics MCQ App | Echo of Sound MCQ e-Book PDF | 531
Class 10 Physics MCQs (Grade 10) From Textbook

Class 10 Physics MCQs – Certification Test 531

Echo of Sound MCQ (Question 531) – App & e-Book Download

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MCQ 531: Echoes may be heard more than once due to successive or multiple reflections:

  1. deflections
  2. defraction
  3. refractions
  4. reflections

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