Advertisements
Advertisements
प्रश्न
Why are fossil fuels called non-renewable sources of energy?
उत्तर
Fossil fuels (coal, petrol, diesel etc.) are exhaustible i.e. if these are once finished can not be regenerated over a reasonable period of time. That is why fossil fuels are called non-renewable sources of energy.
APPEARS IN
संबंधित प्रश्न
Classify the following into renewable and non-renewable sources of energy:
Coal, Wind, Tides, Petroleum,Wood, Natural gas
What are the disadvantages of burning fossil fuels?
Which fossil fuels were formed by the buried remains of small plants and animals?
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
How does substance X make the detection of leakage of LPG easy?
A certain form of energy is available due to the difference in the temperature of water at the surface of the ocean and its deeper levels.
(a) Name the form of energy.
(b) Is this energy ultimately derived from the sun or not?
(c) Explain how this form of energy can be converted into electricity.
(d) What is the minimum temperature difference in water at the surface of ocean and its deeper level which is required to operate power plants based on is energy?
Can you tell?
What is ‘green energy’?
Explain why is it no wise to regard wood as a renewable sources of energy.
Which part of the solar cooker is responsible for greenhouse effect?
Choose the incorrect statement regarding wind power
Fill in the blanks in the following sentence.
Coal is one of the ______ used to cook food.