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Wave Motion and Sound
Physics · Chapter 22 · Unit 10: Oscillations and Waves
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Topics 4
- Transverse and longitudinal waves; displacement, amplitude, period, frequency, wavelength; v = f lambda
- Graphical representation of a harmonic wave; equation of a progressive wave y = A sin(kx - omega t)
- Sound as a mechanical wave; Newton's formula for speed of sound in air and Laplace's correction
- Effect of pressure, density, humidity and temperature on speed of sound; sound in liquids and solids; supersonic and ultrasonic waves