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Home / Class Seven / Science

Table of Content


Longitudinal and transverse waves

پاسيريون ۽ اڀيون لھرون

Basic terms about sound

آواز بابت بنيادي اصطلاح

Relationship between speed, wavelength and frequency

اسپيڊ، لھري ڊيگهہ ۽ فريڪوئنسي جو تعلق

Pitch and loudness of sound

آواز جي پچ ۽ تيزي

Audible frequency and uses of sound

آواز ٻڌڻ جي حد ۽ آواز جا استعمال

Summary

اختصار

Review questions

دور جا سوال

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