Discovering "class-8 - content"
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Sound Part-7 Sound cant travel in Vacuum
Free
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Sound Part-8 Sound through Solids & Liquids
Free
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Sound Part-9 Sound travel faster in Solids
Free
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Sound Part-10 Human Ear
Free
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Sound Part-11 Ear drum Importance
Free
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Sound Part-12 Sound wave: Amplitude
Free
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Sound Part-13 Sound wave: Wavelength & loudness
Free
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Sound Part-14 Sound wave: frequency & time period
Free
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Sound Part-15 Sound Wave: Pitch
Free
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Sound Part-16 Range of Hearing
Free