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प्रश्न
Can you tell?
Why should we save energy?
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उत्तर
We should save energy to preserve limited natural resources, reduce environmental pollution, cut costs, support sustainability, and ensure energy availability for future generations.
संबंधित प्रश्न
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
A good fuel is one which possesses:
(a) high calorific value and low ignition temperature
(b) high calorific value and high ignition temperature
(c) high calorific value and moderate ignition temperature
(d) low calorific value and moderate ignition temperature
Which fossil fuels were formed by the buried remains of small plants and animals?
The aviation fuel which is used in the engines of jet aeroplanes is:
(a) diesel
(b) kerosene
(c) petrol
(d) CNG
State whether the following statement is true or false:
Tidal energy is one of the forms in which solar energy manifests itself in oceans.
Which of the following sources of energy are not derived from the sun?
Biomass, Wind, Ocean thermal energy, Geothermal energy, Nuclear fuels, Hydroelectricity, Wave energy, Coal, Petroleum, Tidal energy
Name a few major producers of petroleum in the world.
Can you tell?
What is ‘green energy’?
Who is the odd one out?
Why is there a need for harnessing non-conventional sources of energy? How can energy be harnessed from the sea in different ways?
