In the electromagnetic spectrum, infrared (IR) radiation and visible radiation are adjacent to each other, with IR radiation having longer wavelengths and lower frequencies, while visible radiation has shorter wavelengths and higher frequencies. The point at which the intensities of IR radiation and visible radiation balance, in units of watts per square meter (W/m²), depends on various factors and can vary in different situations.
To provide a general reference point, the range of IR radiation typically spans from approximately 700 nanometers (nm) to 1 millimeter (mm), while visible radiation ranges from approximately 400 nm to 700 nm. The specific wavelength at which the intensities balance will depend on the source of radiation and the specific scenario being considered.
It's important to note that the intensities of IR radiation and visible radiation can vary greatly depending on the source and the distance from the source. For example, the intensity of sunlight, which includes both IR and visible components, varies depending on factors such as time of day, location, atmospheric conditions, and season.
If you have a specific scenario or context in mind, providing more details would allow for a more accurate determination of the point at which IR radiation and visible radiation balance in terms of intensity.