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