Class 8 science Practice Tests
Class 8 Science Online Tests
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The MCQ: Louder sound can cause damage to; "Pitch and Loudness" App Download (Free) with answers hearing, sight, skin and brain to study online certification courses. Solve sound and hearing quiz questions, download Google eBook (Free Sample) for online elementary school courses.
MCQ 1: Louder sound can cause damage to
MCQ 2: The number of vibrations in a second is called
MCQ 3: Sound having frequencies above 20000Hz are called
MCQ 4: If we tighten the strings of instrument the pitch will be
MCQ 5: The higher the frequency the greater will be
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