Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Traveling Waves and wave speed

  1. Jan 4, 2010 #1
    1. The problem statement, all variables and given/known data
    If the amplitude of the oscillator doubles, what happens to the wavelength and wave speed?

    The wavelength doubles but the wave speed is unchanged.
    The wavelength is unchanged but the wave speed doubles.
    Both wavelength and wave speed are unchanged.

    2. Relevant equations

    3. The attempt at a solution

    In this part, I dont believe neither the wavelength or wave speed will change, the amplitude (maximum value of displacement) just double but should not affect the wavelength or speed except where it begins to be measured. Right???
    Last edited: Jan 5, 2010
  2. jcsd
  3. Jan 5, 2010 #2


    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Your intution is correct, but you could solve this problem better if you wrote down some mathematical expression for a waveform that contains the parameters amplitude, wavelength, and wave speed.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook