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प्रश्न
Give two examples each of renewable and non-renewable sources of energy?
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उत्तर
Renewable sources of energy: Solar energy and wind energy.
Non-renewable sources of energy: coal and oil.
संबंधित प्रश्न
What is geothermal energy?
State two disadvantages of using wind energy for generating electricity.
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
Write five forms of energy.
What do you understand by mechanical energy?
How is kinetic energy possessed by a moving body measured?
Is it possible that a body may possess energy even when it is not in motion?
State the energy changes which take place when:
In a heat engine.
Give one example when:
Chemical energy changes to light energy.
