1. SOLAR ENERGY

2. The SUN Source of all Energy Produces Energy from H 2

3. What is Solar Energy? Originates with the thermonuclear fusion reactions occurring in the sun. Represents the entire electromagnetic spectrum (visible light, infrared, ultraviolet, x-rays, and radio waves). The sun is, in effect, a continuous fusion reactor with its constituent gases as the ‘containing vessel’ 4H 1 →He 4 + 2  + + 2 + 25 MeV E = mc 2 retained by gravitational forces. The fusion reaction in which hydrogen (i.e. four protons) combines to form helium (i.e. one helium nucleus) accompanied by a 0.7 percent loss of mass and converted to energy is the source of energy in the SUN.

5. Solar Radiation Spectrum

6. Global radiation availability in India

7. Uses of Solar Energy  Heating of Water  Heating of Houses (active systems)  Distillation of Water  Cooking of Food  Greenhouse Heating  Drying of Food  Power Generation  Refrigeration and Airconditioning  Passive Heating and Cooling  Production of Very High Temperatures  Industrial Process Heat Systems  Pumping of Water  Direct Conversion of Electricity (PV)