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(8 Lectures Available)

S#	Lecture	Course	Institute	Discipline
1	Decibel Scale (K-A)	Sound (K-A)	Khan Academy	Basic and Health Sciences
2	Mach numbers (K-A)	Sound (K-A)	Khan Academy	Basic and Health Sciences
3	Production of sound (K-A)	Sound (K-A)	Khan Academy	Basic and Health Sciences
4	Relative speed of sound in solids, liquids, and gases (K-A)	Sound (K-A)	Khan Academy	Basic and Health Sciences
5	Sound Properties: Amplitude, period, frequency, wavelength (K-A)	Sound (K-A)	Khan Academy	Basic and Health Sciences
6	Speed of Sound (K-A)	Sound (K-A)	Khan Academy	Basic and Health Sciences
7	Ultrasound medical imaging (K-A)	Sound (K-A)	Khan Academy	Basic and Health Sciences
8	Why do sounds get softer? (K-A)	Sound (K-A)	Khan Academy	Basic and Health Sciences