Decibel Scale & Intensity

In this episode, we focus on the physiology of sound and hearing.

We begin by exploring sound-related concepts, including sound waves, pitch, ultrasound, and the decibel system. Next, we delve into the anatomy and physiology of the ear, providing a clear understanding of how we perceive sound. This material will appear in two of the four MCAT sections: the Bio/Biochem and Physics/Chemistry sections.

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[00:00] Introduction

[01:50] Physics of sound waves

[06:07] Wavelength and frequency equation

[08:08] Equation for the speed of sound

[11:01] Overall takeaway for the MCAT

[11:15] Ultrasound imaging

[14:23] The decibel system

[18:05] Anatomy and physiology of the ear