6.+Wave+Equation

=Wave Equation=

Speed of a wave, v, is:
 * Wave Speed, v **
 * not affected by the shape or amplitude of the wave
 * not affected by a change in frequency or wavelength
 * is truely dependent on the nature of the material it travels through.
 * all electromagnetic waves travel at the same speed of 3 x 10^8 m/s although they have different frequencies and wavelengths.

**Wave Equation**


 * **Speed = Wavelength • Frequency**
 * **In symbols : [[image:wave_13.jpg]]**
 * This equation is used for both transverse and longitudinal waves. **

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