What Happens to Wavelength and Wave Speed When Amplitude Doubles?

[sphouxay]

Homework Statement

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.

Homework Equations

The Attempt at a Solution

In this part, I don't 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?

 

[cepheid]

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.