Class 10 physics Practice Tests
Class 10 Physics Online Tests
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The MCQ: Sensation of sound persists in our brain for about; "Reflection (Echo)" App Download (Free) with answers 0.001s, 0.2s, 0.1s and 10s for online certificate programs. Solve sound quiz questions, download Google eBook (Free Sample) for school certificate.
MCQ 1: The sensation of sound persists in our brain for about
MCQ 2: Echoes maybe heard more than once due to
MCQ 3: The reflection of sound is called
MCQ 4: The total distance covered by a sound wave from the generation point to reflecting surface and back should be
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