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This lesson helps to understand the Doppler effect.
Author: Tóth Katalin
Doppler, Doppler effect, frequency, pitch, sound wave, electromagnetic wave, radar wave, ultrasound, reflection, wavelength, high frequency sound, deep voice, sonic boom, speed of sound, echocardiography, redshift, self-driving car, bat, hearing, sound, relative speed, Sound source, galaxy, star, Universe, physics, biology, astronomy, medicine, technology
This lesson helps you understand the process of hearing.
This lesson is about the sound waves surrounding us.
In this lesson you will learn more about how sound propagates.
This lesson presents the concept of speed.
Let's use musical instruments and our vocal cords as sources of sound.