Discuss the below:
Q: A contractor must select a roof covering material from the two diffuse, opaque coatings with a as shown. Which of the two coatings would result in a lower roof temperature? Which is preferred for summer use? For winter use sketch the spectral distribution of a, that would be ideal for summer use for winter use.
![1319_Coating.jpg](https://secure.tutorsglobe.com/CMSImages/1319_Coating.jpg)