All answers must have 5-7 sentences each, must be in own words 1. What is solar radiation? Explain with help of plank’s energy distribution (spectrum) diagram. 2. How do you calculate total irradiance from the sun? 3. Explain Stefan-Boltzmann law, Weins displacement law, and inverse square law. 4. Calculate total energy emitted by sun. (find energy emitted per unit area using S-B law, then multiply that with surface area of sun)_ 5. Calculate total energy emitted by earth. 6. …