Final answer:
In the context of Newton's rings, the spacing between rings increases as the order of the rings increases, following a direct relationship with the radius of curvature.
Step-by-step explanation:
In Newton's rings experiment, the spacing between consecutive rings increases with an increase of order of rings. This is due to the fact that the radial distance between the rings is proportional to the square root of the ring number, leading to larger spaces as the ring number (or order) increases. For example, as the light interference pattern forms, the radius for each consecutive ring is larger, requiring more space. This can be correlated with the concept that in a circular motion scenario, as the radius of curvature increases, so does the required centripetal force to maintain a circular path at a constant speed, hinting that there is a direct relationship between the increase in radius and the effects observed.