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प्रश्न
State whether the following is True or False.
Renewable energy resources have limited supply in nature.
पर्याय
True
False
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उत्तर
False
Correct Statement: Renewable energy resources have an unlimited supply in nature.
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संबंधित प्रश्न
"The ignition temperature of a fuel is 80°C". What does this mean?
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
Why are fossil fuels classified as 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
What is the composition of liquefied petroleum gas (LPG)?
State two important uses of natural gas
Write a short note on the pollution caused by burning fossil fuels.
What are fossil fuels? Give three examples of fossil fuels.
Which fossil fuels were formed by the buried remains of small plants and animals?
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
How does this device help in controlling air pollution?
Apart from cattle dung, what other substances can be added to a biogas plant?
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
The non-renewable source of energy among the following is:
(a) hydroelectricity
(b) sewage gas
(c) natural gas
(d) gobar gas
Which produced of the nuclear fission of uranium-235 is utilised to cause further fission of its nuclei?
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
Write a short note on nuclear power.
State the main difference between the renewable and non-renewable sources of energy.
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.
Some natural resources are given below. Classify them into the exhaustible and inexhaustible natural resources.
| air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen |
