Class 7 Science MCQs – Certification Test 1607

Frequency and Pitch MCQ (Question 1607) – Learning App & e-Book Download

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MCQ 1607: The number of sound waves sent per second is known as:

wave front
wavelength
frequency
amplitude

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Frequency and Pitch MCQ App & e-Book – Class 7 Science Exam Prep

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Free Frequency And Pitch Learning App – Download from Play & App Store

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