What constitutes a source of energy?
When a body falls freely to the ground, its velocity reduces to zero and the sum total of kinetic energy and potential energy also becomes zero. Does it violate the law of conservation of energy?
Justify in one sentence that hydropower (hydro electricity) is a renewable source of energy.
What is a good fuel?
If you could use any source of energy for heating your food, which one would you use and why?
What is a fuel?
What are fossil fules?
Explain, why are fossil fuels classified a non-renewable sources of energy?
Mock Test Series
