Answer: Increasing the amplitude of a wave does not affect the wavelength or the wave speed. The wavelength and wave speed of a wave are properties that are independent of the amplitude.
Wavelength is the distance between two consecutive points on a wave that are in phase (e.g., between two consecutive crests or troughs), and it is typically determined by the source of the wave and the medium through which it is traveling. Increasing the amplitude does not change the distance between these points.
Wave speed is determined by the properties of the medium through which the wave is traveling and is often given by the equation:
Wave speed (v) = frequency (f) × wavelength (λ).
As you can see, the wave speed is dependent on the frequency and wavelength, but the amplitude is not a factor in this equation. Changing the amplitude of a wave does not alter its speed unless there are other changes in the medium or source properties.
So, the correct statement is: Increasing the amplitude of a wave has no effect on the wavelength or wave speed.