Final answer:
The spacing of the dots in the pattern is a characteristic of interference in physics. It is caused by double-slit interference, where waves of light or matter particles interfere with each other as they pass through double slits. The spacing of the dots is determined by the separation between the slits.
Step-by-step explanation:
The spacing of the dots in the pattern as the object falls is a characteristic of interference in physics. When light or matter particles pass through a double slit, they create an interference pattern on a screen. In this pattern, the bright spots are evenly spaced, which is a characteristic of double-slit interference. The dim spots on either side of the center are also a characteristic of double-slit interference.
The spacing between the dots in the pattern is determined by the separation between the slits. This is because the interference pattern is created by the waves of light or matter particles interfering with each other. The distance between the slits determines the wavelength of the waves, which in turn determines the spacing of the bright and dim spots in the pattern.
In summary, the spacing of the dots is a result of interference in physics, specifically double-slit interference. The pattern appears because the waves of light or matter particles interfere with each other as they pass through the double slits, creating bright and dim spots on the screen.