Reflection (Echo) MCQs Quiz Worksheet PDF Download
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MCQs on Reflection (Echo) Quiz PDF Download
MCQ: Sensation of sound persists in our brain for about
MCQ: Echoes maybe heard more than once due to
- multiple reflections
- single time reflection
- diffraction of waves
MCQ: Reflection of sound is called
MCQ: Total distance covered by sound wave from generation point to reflecting surface and back should be