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प्रश्न
What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
उत्तर
The sources of energy that are being produced continuously in nature and are inexhaustible are called renewable sources of energy. Examples: Wind, wood, sunlight and biomass.
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संबंधित प्रश्न
The aviation fuel which is used in the engines of jet aeroplanes is:
(a) diesel
(b) kerosene
(c) petrol
(d) CNG
Name the constituents of biogas.
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
Write any two advantages of using biogas.
The major component of biogas is:
(a) hydrogen
(b) butane
(c) hydrogen sulphide
(d) methane
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
Name five renewable and three non-renewable sources of energy.
State whether the following is True or False.
Coal takes millions of years to form.
Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
Write True/False against the following statement.
Wildlife is an exhaustible natural resource.
