
List a few advantages of solar power.
Important Questions on Energy Production
Consider the following statements and choose the correct alternative.
Statement - : Heating capacity of biogas is more than that of biomass.
Statement - : Biogas produces lesser pollution as compared to biomass.






Give an example of non-conventional energy with the help of which electricity can be generated.



Match the suitable renewable and non-renewable resources.
Sources | A | B | C |
Renewable | Coal | Wind | Petroleum |
Non-renewable | Hydrogen | Natural gas | Solar energy |

Correct statement, if it is wrong.
India is called the 'country of winds'.



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


Write the quadrants in which the following points lie:


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,

What are the advantages and limitations of solar energy?

