Download Echo of Sound MCQ App | Class 10 Physics MCQ e-Book PDF | 507
Class 10 Physics MCQs (Grade 10) From Textbook

Class 10 Physics MCQs – Certification Test 507

Echo of Sound MCQ (Question 507) – App & e-Book Download

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MCQ 507: For hearing distinct echoes, the minimum distance of the obstacle from the source of sound must be:

  1. double to this distance
  2. equal to this distance
  3. half of this distance
  4. one third to this distance

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