Spectral flux absorbed by a surface, divided by that obtained by that surface area. This shouldn't be baffled with "spectral absorbance". In ancient India, the Hindu educational facilities of Samkhya and Vaisheshika, from across the early centuries Advertisement developed theories on light. Based on the Samkhya university, light is https://titusudkta.blogkoo.com/details-fiction-and-modified-container-house-58272295