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Lessons
11 lessons • 2h 18m
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Sound
13m 39s
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Sound Waves: Part 1
11m 38s
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Sound Waves: Part 2
12m 30s
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Properties of Sound Wave
13m 11s
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Sound Quality
10m 52s
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Reflection of Sound
12m 38s
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Echoes
12m 45s
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Range of hearing
13m 34s
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Applications of ultrasound waves
12m 37s
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Structure of an ear
12m 22s
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