List three energy sources that are considered to be inexhaustible. State any three reasons in support of your answer.
Important Questions on Sources of Energy
Explain ocean thermal energy and how it can be harnessed? Mention any two limitations in obtaining the energy from the oceans.
List any two criteria for selecting a good fuel. Explain how does burning of fossil fuels cause air and soil pollution.
List two ways in which animal dung can be utilized as fuel. Out of these two which one is better? Justify your answer.
Why are solar heating devices painted black? Name two such devices and state two limitations of these.
The two elements and has mass number and respectively. Which one is suitable for making
(a) a nuclear reactor?
(b) a hydrogen bomb?
What is geothermal energy? How can it be used commercially? List in tabular form, three distinguishing features between a thermal power plant and a geothermal power plant.
