Solar energy refers to capturing the heat energy from the sun which is transferred in three ways: by radiation, conduction, and convection. It is a non-vanishing renewable source which is free of cost. 173,000 tera watts of solar energy strike the earth each day, which is more than 10,000 time the world’s total energy use. It is generated as per applications like industrial, commercial, and residential. This paper tells us about solar energy in brief, what is it? how it is converted into different energy. |