Mechanical Waves and Sound
Learn about the characteristics, properties, and behaviors of mechanical waves and sound, including transverse and longitudinal pulses, waves, and their superposition, as well as the speed, wavelength, amplitude, and frequency of sound waves, Doppler effect, and more in this tutorial.
Topics explored include pulses, superposition of pulses, transverse and longitudinal waves, crests, troughs, amplitude, wavelength, period, frequency and wave speeds.
Transverse Pulses
Pulses: Amplitude and Length
Pulse Speed
Superposition of Pulses
Superposition of Pulses Example
Summary and Main Ideas
Introducing Transverse Waves
What is a Transverse Wave?
Crests and Troughs
Amplitude and Wavelength
Points in Phase
Period and Frequency
Speed of a Transverse Wave
Summary and Main Ideas
Introducing Longitudinal Waves
What is a Longitudinal Wave?
Compression and Rarefaction
Wavelength and Amplitude
Period and Frequency
Speed of a Longitudinal Wave
Summary and Main Ideas
Introducing Sound
Sound Waves
Speed of Sound
Reflection and Echoes
SONAR
Echolocation
Characteristics of a Sound Wave
Comparing Sound Generating Instruments
Intensity of Sound
Ultrasound
The Physics of Hearing
Summary and Main Ideas
Doppler Effect
The Doppler Effect With Sound
Moving Source, Stationary Observer
Moving Observer, Stationary Source
Ultrasound and the Doppler Effect
Summary and Main Ideas