
The principle of solar cell is to convert sunlight into electricity through the phenomena of photovoltaic effect.

Important Questions on Energy
In a Solar Furnace, sunlight is concentrated at the ________ of the concave mirror.


880 MW Kaiga atomic power plant is situated near the river Kali in the Indian State of:




A diagram of OTEC (Ocean Thermal Energy Conversion) system is given below. In which part water is converted into water vapours?


Sunlight of intensity of is captured with efficiency by a solar panel, which then sends the captured energy into a house with efficiency. a. The house loses thermal energy through bad insulation at a rate of . Find the area of the solar panel needed in order to keep the temperature of the house constant.

The graph shows the variation with the incident solar intensity of the temperature of a solar panel used to heat water. Thermal energy is extracted at a rate of . The area of the panel is . Calculate, for a solar intensity of , the temperature of the water,


A diagram of OTEC (Ocean Thermal Energy Conversion) system is given below. In which part water is converted into water vapours?









