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Answer:
The amplitude of the ripple will drop with a factor proportional to the square root of perimeter of the expanding wave front. This is called geometrical spreading. It is explained by the fact that the energy that created the wave came from a point where the rock dropped, and as time goes, this energy gets spread over a larger and larger circumference. The amplitude is proportional to the square root of the energy, hence the amplitude drops by the square root of the radius of the expanding wavefront.
In addition to geometrical spreading, friction will also play a role in damping the amplitude of the ripple. So at some point, the ripple will be too weak to be measurable.
To quantify the amplitude of the wave away from the source point, you will need to know how much energy it will loose through friction, which depends on the relationship between wavelength and water depth. For this is probably better to do some experiments to try to quantify the effect of friction.
Explanation:
CTTO di ko po tlaga yan sagot copy ko lng po from quora sorry