What is Sound?

آواز ڇا آھي؟

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Transmission and Properties of Sound

آواز جي ترسيل ۽ خاصيتون

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Process of Hearing

ٻڌڻ جو عمل

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Uses of Sound

آواز جو استعمال

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Summary

اختصار

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Review Questions

دور جا سوال

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