why are fossil fuels classified as non renewable source of energy
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Why are fossil fuels classified as non renewable sources of energy?
Why are fossil fuels classified as non renewable sources of energy?
Byju's Answer Standard X Physics Fossil Fuels Why are fossi... Question
Why are fossil fuels classified as non-renewable sources of energy?
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Fossil fuels are available in limited amount and can be exhausted by human activities. Moreover, they can't be renewed fast enough. Therefore, they are considered as non-renewable resources.
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SIMILAR QUESTIONS
Q. Name a non-renewable source of energy other than fossil fuels.Q. Fossil fuels can be called as non-renewable sources.Q. Assertion :Bio-gas is also called renewable source of energy. Reason: Fossil fuels are non-renewable sources of energy.Q.Fossil fuels cannot be replenished by natural means at the same rate that it is consumed that’s why they are known as non-renewable sources of energy.
Q. Fossil fuels are renewable source of energy.View More RELATED VIDEOS
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Why are fossil I uels classified as non
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Why are fossil I uels classified as non-renewable sources of energy ?
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Fossil fuels arc known as non-renewable sources of energy because fossil fuels once used cannot renewed or regained.
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8 0 SIMILAR QUESTIONS
Classify the given energy sources into conventional and non-conventional energy. (Fossil fuels, Solar energy, Nuclear energy, Biomass, Hydro-Electric Power)
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From below conventional sources of energy which is NOT a non renewable source of energy?
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What is meant by conventional sources of energy ? Write the names of two conventional sources of energy.
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What are known as conventional sources of energy?
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Which is not a non-renewable source of energy?
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Why are fossils fuels classified as non
Q.14 of chapter 14, 14. Sources of Energy - Science Important Questions book. Why are fossils fuels classified as non-renewable sources of energy? What steps should be taken to conserve these sources?
Book: Science Important Questions
Chapter: 14. Sources of Energy
Subject: Physics - Class 10th
Q. No. 14 of Important Questions
Listen NCERT Audio Books to boost your productivity and retention power by 2X.
14
Why are fossils fuels classified as non-renewable sources of energy? What steps should be taken to conserve these sources?
Fossil fuels are non-renewable source of energy, because if they are exhausted, it cannot be regenerated in a short time. This is because of the fact that, the fossil fuels which we use today, took millions of years to be formed. The fossil fuels are being fast depleted. To overcome this depletion, we have to conserve energy. We can follow the following simple rules to conserve energy:
(i) Switch off lights and fans when not in use.
(ii) Use solar cookers, heaters, dryers wherever possible.
(iii) Use tube lights which consumes less energy instead of incandescent lamp wherever possible.
(vi) Use efficient home appliances and fuel efficient stove.
Chapter Exercises
Important Questions
Very Short Answer (1 Mark)
Short Answer (2 Marks)
Short Answer (3 Marks)
Long Answer (5 Marks)
More Exercise Questions
1
Explain why only a part of the solar energy that strikes the upper regions of atmosphere, reaches the surface of the earth.
2
Exposure to which component of solar-radiation could be a health hazard?
3
With the help of a diagram, explain the construction and working of a box type solar cooker.
4
Mention any two differences between a box type and a concentrator type solar heater.
5
Why is it not possible to make use of solar cells to meet all our energy needs? State atleast two reasons to support your answer.
6
Mention any four areas where solar cells are being used as a source of energy.
7
Why can wind energy farms be established only at specific locations? Give reasons to support your answer.
8
It is difficult to use hydrogen as a source of energy, although its calorific value is quite high. Explain.
9
State the forms in which energy stored in the oceans manifests itself. Which one of these is utilized in OTEC systems?
10
With the help of a diagram, explain the process of destructive distillation of wood.
11
Why is charcoal considered a better fuel than wood? What are the disadvantages of converting wood into charcoal?
12
Describe the steps involved in obtaining biogas and explain what is meant by anaerobic decomposition.
13
State the advantages of obtaining biogas from animal dung and bio-wastes.
14
Why are fossils fuels classified as non-renewable sources of energy? What steps should be taken to conserve these sources?
15
The heat produced on complete combustion of 10 g of a fuel could raise the temperature of 2 kg of water from 20° C to 70° C. Calculate the calorific value of the fuel, if the specific heat capacity of water was 4.2 J/g ° C. Assume that the heat taken by the container is negligible.
16
How much energy will 1 kg mass of wood yield on complete combustion if its calorific value were 15 kJ/g?
17
Suppose the average solar energy incident on the green canopy (leaves) of a tree is 108 J per day. The calorific value of the wood obtained from the tree could convert 1% of incident solar energy as wood, how many days will it take to produce 10 kg of wood?
18
State the conditions essential for combustion to take place.
19
Explain how knowledge of the conditions of combustion could help in fire fighting.
20
What constitutes a source of energy?
21
State the two forms in which energy is mainly utilized at our homes.
22
Explain why fossils fuels are classified as non-renewable sources of energy.
23
Name any two renewable sources of energy.
24
Why is the use of wood as a fuel not advised although forests can be replenished?
25
How much solar energy will be received by 1m2 area in one hour, if the solar constant were 1.4 kilowatt per square metre?
26
What is the range of the wavelength of electromagnetic waves that constitutes visible radiation?
27
Name the component of sunlight that mainly carries heat with it.
28
Name any two components of solar radiation that are not visible to us.
29
Name the type of radiation emitted by a hot electric iron?
30
State any two activities from our daily life in which solar energy is utilized.
31
Wavelength of radiation incident on a surface is 850 nm. Will the surface become visible when exposed to this radiation?
32
Name any two materials that are used for making solar cells.
33
What prevents us in making use of solar cell panels to meet all our domestic needs of electricity?
34
Explain the principle behind the working of a windmill.
35
What is the minimum wind velocity required for obtaining useful energy with a windmill?
36
Explain how the energy of flowing water is related to solar energy.
37
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