i) Radiosity refers to the total amount of light energy emitted from a surface by both direct and indirect illumination sources. It takes into account the effects of reflection, transmission, and absorption of light on the surface, as well as the diffuse and specular qualities of the material.
ii) Emission refers to the process by which a light source generates and sends out light. It can occur naturally, as with the sun or fire, or artificially through light bulbs, LEDs, or other devices. The term also often refers to the amount of light energy emitted by a source, which is typically measured in watts.
iii) Spectral intensity refers to the amount of energy emitted by a light source at a particular wavelength or frequency. It can be represented graphically as a curve, with the height of the curve representing the intensity of the light at each wavelength. Spectral intensity is important for understanding the color properties of light sources, as well as their overall brightness and other characteristics.
Explain the following terms: i) Radiosity ii) Emission iii) Spectral Intensity
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