Lakhmir Singh & Manjit Kaur - Physics

Book: Lakhmir Singh & Manjit Kaur - Physics

Chapter: 3. Sources of Energy

Subject: Physics - Class 10th

Q. No. 3 of Very Short Answer Type Questions-Pg-161

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3

How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?

Coal is expected to last for about 200 years,

Petroleum is expected to last for 40 years and


Natural Gas may last for 60 years


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