Sound

آواز

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Electric Bell Jar Experiment

بجلي واري گهنٽيءَ جو تجربو

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Speed of Sound

آواز جي رفتار

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Speed of Sound in solid, liquid and Gas

نھري، پاڻياٺ ۽ گئس ۾ آواز جي رفتار

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Factors that affect the speed of sound

آواز جي رفتار تي اثر وجهندڙ جزا

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Seeing sounds

آواز ڏسڻ

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Noise pollution

آواز جي آلودگي

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Echo or reflection of sound

پڙاڏو يا آواز جي موٽ

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Ultrasound

الٽراسائونڊ

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Applications of Ultrasound techniques in industry and medicine - Part 01

صنعت ۽ طب ۾ الٽراسائونڊ جو استعمال ـ حصو پھريون

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