# FHSST Physics/Waves/Equations and Quantities

Waves and Wavelike Motion The Free High School Science Texts: A Textbook for High School Students Studying Physics. Main Page - << Previous Chapter (Units) - Next Chapter (Vectors) >> Definition - Types of Waves - Properties of Waves - Practical Applications: Sound Waves - Practical Applications: Electromagnetic Waves - Equations and Quantities

# Important Equations and Quantities

Frequency:

 ${\displaystyle {\begin{matrix}f={\frac {1}{T}}.\end{matrix}}}$ (2.6)

Speed:

${\displaystyle {\begin{matrix}v&=&f\lambda \\&=&{\frac {\lambda }{T}}\end{matrix}}}$

 Quantity Symbol S.I. Units Direction Amplitude A m -- Period T s -- Wavelength ${\displaystyle \lambda }$ m -- Frequency f Hz or s-1 -- Speed v m.s-1 --